22100222000 has 40 divisors (see below), whose sum is σ = 53438341632. Its totient is φ = 8840088000.

The previous prime is 22100221987. The next prime is 22100222021. The reversal of 22100222000 is 22200122.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5523056 + ... + 5527055.

Almost surely, 2^22100222000 is an apocalyptic number.

22100222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100222000 is an abundant number, since it is smaller than the sum of its proper divisors (31338119632).

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

22100222000 is a wasteful number, since it uses less digits than its factorization.

22100222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050134 (or 11050118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22100222000 its reverse (22200122), we get a palindrome (22122422122).

The spelling of 22100222000 in words is "twenty-two billion, one hundred million, two hundred twenty-two thousand".