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22220011400 = 2352472363831
BaseRepresentation
bin10100101100011010…
…100111011110001000
32010100112212112101012
4110230122213132020
5331001310331100
614112511543052
71414426660226
oct245432473610
963315775335
1022220011400
119472687494
12438152aa88
1321315c4952
14110b091b16
158a0adc135
hex52c6a7788

22220011400 has 48 divisors (see below), whose sum is σ = 52760730240. Its totient is φ = 8698894400.

The previous prime is 22220011367. The next prime is 22220011409. The reversal of 22220011400 is 411002222.

It is a super-2 number, since 2×222200114002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22220011409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1172516 + ... + 1191315.

It is an arithmetic number, because the mean of its divisors is an integer number (1099181880).

Almost surely, 222220011400 is an apocalyptic number.

22220011400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220011400 is an abundant number, since it is smaller than the sum of its proper divisors (30540718840).

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

22220011400 is a wasteful number, since it uses less digits than its factorization.

22220011400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363894 (or 2363885 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22220011400 its reverse (411002222), we get a palindrome (22631013622).

The spelling of 22220011400 in words is "twenty-two billion, two hundred twenty million, eleven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 47 50 94 100 188 200 235 376 470 940 1175 1880 2350 4700 9400 2363831 4727662 9455324 11819155 18910648 23638310 47276620 59095775 94553240 111100057 118191550 222200114 236383100 444400228 472766200 555500285 888800456 1111000570 2222001140 2777501425 4444002280 5555002850 11110005700 22220011400