22231302100 has 72 divisors (see below), whose sum is σ = 55639633280. Its totient is φ = 7552206720.

The previous prime is 22231302083. The next prime is 22231302109. The reversal of 22231302100 is 120313222.

It is a super-2 number, since 2×22231302100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231302109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69384 + ... + 221983.

Almost surely, 2^22231302100 is an apocalyptic number.

22231302100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231302100 is an abundant number, since it is smaller than the sum of its proper divisors (33408331180).

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

22231302100 is a wasteful number, since it uses less digits than its factorization.

22231302100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291497 (or 291490 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22231302100 its reverse (120313222), we get a palindrome (22351615322).

The spelling of 22231302100 in words is "twenty-two billion, two hundred thirty-one million, three hundred two thousand, one hundred".