22125532 has 48 divisors (see below), whose sum is σ = 46513152. Its totient is φ = 9074880.

The previous prime is 22125511. The next prime is 22125541. The reversal of 22125532 is 23552122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26473 + ... + 27295.

It is an arithmetic number, because the mean of its divisors is an integer number (969024).

Almost surely, 2^22125532 is an apocalyptic number.

22125532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22125532 is an abundant number, since it is smaller than the sum of its proper divisors (24387620).

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

22125532 is a wasteful number, since it uses less digits than its factorization.

22125532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 22125532 is about 4703.7784811787. The cubic root of 22125532 is about 280.7358704805.

Adding to 22125532 its reverse (23552122), we get a palindrome (45677654).

It can be divided in two parts, 2212 and 5532, that added together give a square (7744 = 88²).

The spelling of 22125532 in words is "twenty-two million, one hundred twenty-five thousand, five hundred thirty-two".