22001022122200 has 96 divisors (see below), whose sum is σ = 56355093958320. Its totient is φ = 7921160000000.

The previous prime is 22001022122077. The next prime is 22001022122239. The reversal of 22001022122200 is 222122010022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49285051 + ... + 49729450.

Almost surely, 2^{22001022122200} is an apocalyptic number.

22001022122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001022122200 is an abundant number, since it is smaller than the sum of its proper divisors (34354071836120).

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

22001022122200 is a wasteful number, since it uses less digits than its factorization.

22001022122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99014629 (or 99014620 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22001022122200 its reverse (222122010022), we get a palindrome (22223144132222).

The spelling of 22001022122200 in words is "twenty-two trillion, one billion, twenty-two million, one hundred twenty-two thousand, two hundred".