28622552 has 32 divisors (see below), whose sum is σ = 62380800. Its totient is φ = 12057504.

The previous prime is 28622549. The next prime is 28622591. The reversal of 28622552 is 25522682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (1949400).

Almost surely, 2^28622552 is an apocalyptic number.

It is an amenable number.

28622552 is an abundant number, since it is smaller than the sum of its proper divisors (33758248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28622552 is a wasteful number, since it uses less digits than its factorization.

28622552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735 (or 8731 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 28622552 is about 5350.0048598109. The cubic root of 28622552 is about 305.8929381822.

The spelling of 28622552 in words is "twenty-eight million, six hundred twenty-two thousand, five hundred fifty-two".