22225131132 has 36 divisors (see below), whose sum is σ = 52722823608. Its totient is φ = 7286913600.

The previous prime is 22225131107. The next prime is 22225131133. The reversal of 22225131132 is 23113152222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225131133) 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, 204219 + ... + 293522.

It is an arithmetic number, because the mean of its divisors is an integer number (1464522878).

Almost surely, 2^22225131132 is an apocalyptic number.

It is an amenable number.

22225131132 is an abundant number, since it is smaller than the sum of its proper divisors (30497692476).

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

22225131132 is a wasteful number, since it uses less digits than its factorization.

22225131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497870 (or 497807 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

Adding to 22225131132 its reverse (23113152222), we get a palindrome (45338283354).

The spelling of 22225131132 in words is "twenty-two billion, two hundred twenty-five million, one hundred thirty-one thousand, one hundred thirty-two".