22125132 has 36 divisors (see below), whose sum is σ = 56700280. Its totient is φ = 7273152.

The previous prime is 22125113. The next prime is 22125151. The reversal of 22125132 is 23152122.

It is an interprime number because it is at equal distance from previous prime (22125113) and next prime (22125151).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1582 + ... + 6837.

Almost surely, 2^22125132 is an apocalyptic number.

It is an amenable number.

22125132 is an abundant number, since it is smaller than the sum of its proper divisors (34575148).

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

22125132 is a wasteful number, since it uses less digits than its factorization.

22125132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502 (or 8497 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 22125132 is about 4703.7359619775. The cubic root of 22125132 is about 280.7341786941.

Adding to 22125132 its reverse (23152122), we get a palindrome (45277254).

The spelling of 22125132 in words is "twenty-two million, one hundred twenty-five thousand, one hundred thirty-two".