22200201221500 has 96 divisors (see below), whose sum is σ = 52040564686656. Its totient is φ = 8243233228800.

The previous prime is 22200201221441. The next prime is 22200201221501. The reversal of 22200201221500 is 512210200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200201221501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17268462 + ... + 18509461.

It is an arithmetic number, because the mean of its divisors is an integer number (542089215486).

Almost surely, 2^{22200201221500} is an apocalyptic number.

22200201221500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200201221500 is an abundant number, since it is smaller than the sum of its proper divisors (29840363465156).

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

22200201221500 is a wasteful number, since it uses less digits than its factorization.

22200201221500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35778032 (or 35778020 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 22200201221500 its reverse (512210200222), we get a palindrome (22712411421722).

The spelling of 22200201221500 in words is "twenty-two trillion, two hundred billion, two hundred one million, two hundred twenty-one thousand, five hundred".