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2221220222202 = 23715214131977
BaseRepresentation
bin100000010100101011000…
…010101101010011111010
321212100100122201111220010
4200110223002231103322
5242343024334102302
64420225310042350
7316322623240062
oct40245302552372
97770318644803
102221220222202
117870179aa003
122ba5a21a93b6
131315c9cb2c37
1479716d2c3a2
153cba43a016c
hex2052b0ad4fa

2221220222202 has 16 divisors (see below), whose sum is σ = 4505010028992. Its totient is φ = 729978476640.

The previous prime is 2221220222183. The next prime is 2221220222209. The reversal of 2221220222202 is 2022220221222.

It is not an unprimeable number, because it can be changed into a prime (2221220222209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607065563 + ... + 2607066414.

It is an arithmetic number, because the mean of its divisors is an integer number (281563126812).

Almost surely, 22221220222202 is an apocalyptic number.

2221220222202 is an abundant number, since it is smaller than the sum of its proper divisors (2283789806790).

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

2221220222202 is a wasteful number, since it uses less digits than its factorization.

2221220222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214132053.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2221220222202 its reverse (2022220221222), we get a palindrome (4243440443424).

The spelling of 2221220222202 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 71 142 213 426 5214131977 10428263954 15642395931 31284791862 370203370367 740406740734 1110610111101 2221220222202