222108873940 has 24 divisors (see below), whose sum is σ = 473390259552. Its totient is φ = 87517525920.

The previous prime is 222108873913. The next prime is 222108873947. The reversal of 222108873940 is 49378801222.

It is a super-2 number, since 2×222108873940² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222108873947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82875106 + ... + 82877785.

It is an arithmetic number, because the mean of its divisors is an integer number (19724594148).

Almost surely, 2^222108873940 is an apocalyptic number.

222108873940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222108873940 is an abundant number, since it is smaller than the sum of its proper divisors (251281385612).

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

222108873940 is a wasteful number, since it uses less digits than its factorization.

222108873940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165752967 (or 165752965 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 222108873940 in words is "two hundred twenty-two billion, one hundred eight million, eight hundred seventy-three thousand, nine hundred forty".