22661552 has 20 divisors (see below), whose sum is σ = 43988256. Its totient is φ = 11309760.

The previous prime is 22661543. The next prime is 22661591. The reversal of 22661552 is 25516622.

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, 11177 + ... + 13047.

Almost surely, 2^22661552 is an apocalyptic number.

It is an amenable number.

22661552 is a deficient number, since it is larger than the sum of its proper divisors (21326704).

22661552 is a wasteful number, since it uses less digits than its factorization.

22661552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 2630 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 22661552 is about 4760.4151079501. The cubic root of 22661552 is about 282.9848701888.

The spelling of 22661552 in words is "twenty-two million, six hundred sixty-one thousand, five hundred fifty-two".