22543652 has 12 divisors (see below), whose sum is σ = 41527920. Its totient is φ = 10678536.

The previous prime is 22543637. The next prime is 22543663. The reversal of 22543652 is 25634522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148238 + ... + 148389.

It is an arithmetic number, because the mean of its divisors is an integer number (3460660).

Almost surely, 2^22543652 is an apocalyptic number.

It is an amenable number.

22543652 is a deficient number, since it is larger than the sum of its proper divisors (18984268).

22543652 is a wasteful number, since it uses less digits than its factorization.

22543652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296650 (or 296648 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 22543652 is about 4748.0155854841. The cubic root of 22543652 is about 282.4932600788.

The spelling of 22543652 in words is "twenty-two million, five hundred forty-three thousand, six hundred fifty-two".