222131313100 has 36 divisors (see below), whose sum is σ = 488628046984. Its totient is φ = 87635364480.

The previous prime is 222131313083. The next prime is 222131313101. The reversal of 222131313100 is 1313131222.

It is a super-2 number, since 2×222131313100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222131313101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15207174 + ... + 15221773.

Almost surely, 2^222131313100 is an apocalyptic number.

222131313100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222131313100 is an abundant number, since it is smaller than the sum of its proper divisors (266496733884).

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

222131313100 is a wasteful number, since it uses less digits than its factorization.

222131313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30429034 (or 30429027 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 222131313100 its reverse (1313131222), we get a palindrome (223444444322).

The spelling of 222131313100 in words is "two hundred twenty-two billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred".