28455322 has 32 divisors (see below), whose sum is σ = 51004800. Its totient is φ = 11648448.

The previous prime is 28455319. The next prime is 28455337. The reversal of 28455322 is 22355482.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43933 + ... + 44575.

It is an arithmetic number, because the mean of its divisors is an integer number (1593900).

Almost surely, 2^28455322 is an apocalyptic number.

28455322 is a deficient number, since it is larger than the sum of its proper divisors (22549478).

28455322 is a wasteful number, since it uses less digits than its factorization.

28455322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its digits is 19200, while the sum is 31.

The square root of 28455322 is about 5334.3530066916. The cubic root of 28455322 is about 305.2960379284.

The spelling of 28455322 in words is "twenty-eight million, four hundred fifty-five thousand, three hundred twenty-two".