22553906 has 8 divisors (see below), whose sum is σ = 34166124. Its totient is φ = 11165200.

The previous prime is 22553897. The next prime is 22553933. The reversal of 22553906 is 60935522.

It can be written as a sum of positive squares in 2 ways, for example, as 21242881 + 1311025 = 4609^2 + 1145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 55625 + ... + 56028.

Almost surely, 2^22553906 is an apocalyptic number.

22553906 is a deficient number, since it is larger than the sum of its proper divisors (11612218).

22553906 is a wasteful number, since it uses less digits than its factorization.

22553906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111756.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 22553906 is about 4749.0952822617. The cubic root of 22553906 is about 282.5360843561.

The spelling of 22553906 in words is "twenty-two million, five hundred fifty-three thousand, nine hundred six".