22512332 has 12 divisors (see below), whose sum is σ = 39472440. Its totient is φ = 11234496.

The previous prime is 22512313. The next prime is 22512337. The reversal of 22512332 is 23321522.

It is not an unprimeable number, because it can be changed into a prime (22512337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957 + ... + 7332.

It is an arithmetic number, because the mean of its divisors is an integer number (3289370).

Almost surely, 2^22512332 is an apocalyptic number.

It is an amenable number.

22512332 is a deficient number, since it is larger than the sum of its proper divisors (16960108).

22512332 is a wasteful number, since it uses less digits than its factorization.

22512332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10840 (or 10838 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 22512332 is about 4744.7162191221. The cubic root of 22512332 is about 282.3623763834.

Adding to 22512332 its reverse (23321522), we get a palindrome (45833854).

The spelling of 22512332 in words is "twenty-two million, five hundred twelve thousand, three hundred thirty-two".