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2222244442020 = 223586179429773
BaseRepresentation
bin100000010101101000000…
…101110010111110100100
321212110000000222021100110
4200111220011302332210
5242402124034121040
64420515054413020
7316360201043511
oct40255005627644
97773000867313
102222244442020
117874a3065569
122ba829201170
13131731250175
14797b2d82308
153cc14267980
hex20568172fa4

2222244442020 has 48 divisors (see below), whose sum is σ = 6222371117760. Its totient is φ = 592590262656.

The previous prime is 2222244442013. The next prime is 2222244442021. The reversal of 2222244442020 is 202444422222.

It is a super-2 number, since 2×22222444420202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2222244442021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4955854 + ... + 5385626.

It is an arithmetic number, because the mean of its divisors is an integer number (129632731620).

Almost surely, 22222244442020 is an apocalyptic number.

2222244442020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222244442020 is an abundant number, since it is smaller than the sum of its proper divisors (4000126675740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222244442020 is a wasteful number, since it uses less digits than its factorization.

2222244442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515964 (or 515962 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2222244442020 its reverse (202444422222), we get a palindrome (2424688864242).

The spelling of 2222244442020 in words is "two trillion, two hundred twenty-two billion, two hundred forty-four million, four hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 86179 172358 258537 344716 429773 430895 517074 859546 861790 1034148 1289319 1292685 1719092 1723580 2148865 2578638 2585370 4297730 5157276 5170740 6446595 8595460 12893190 25786380 37037407367 74074814734 111112222101 148149629468 185187036835 222224444202 370374073670 444448888404 555561110505 740748147340 1111122221010 2222244442020