22222213022100 has 288 divisors, whose sum is σ = 83788805673216. Its totient is φ = 4412840140800.

The previous prime is 22222213022059. The next prime is 22222213022167. The reversal of 22222213022100 is 122031222222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23477091 + ... + 24405290.

It is an arithmetic number, because the mean of its divisors is an integer number (290933353032).

Almost surely, 2^{22222213022100} is an apocalyptic number.

22222213022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222213022100 is an abundant number, since it is smaller than the sum of its proper divisors (61566592651116).

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

22222213022100 is a wasteful number, since it uses less digits than its factorization.

22222213022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47882435 (or 47882428 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22222213022100 its reverse (122031222222), we get a palindrome (22344244244322).

The spelling of 22222213022100 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred thirteen million, twenty-two thousand, one hundred".