22528958 has 4 divisors (see below), whose sum is σ = 33793440. Its totient is φ = 11264478.

The previous prime is 22528943. The next prime is 22528963. The reversal of 22528958 is 85982522.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632238 + ... + 5632241.

It is an arithmetic number, because the mean of its divisors is an integer number (8448360).

Almost surely, 2^22528958 is an apocalyptic number.

22528958 is a deficient number, since it is larger than the sum of its proper divisors (11264482).

22528958 is a wasteful number, since it uses less digits than its factorization.

22528958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264481.

The product of its digits is 115200, while the sum is 41.

The square root of 22528958 is about 4746.4679499603. The cubic root of 22528958 is about 282.4318701710.

The spelling of 22528958 in words is "twenty-two million, five hundred twenty-eight thousand, nine hundred fifty-eight".