28562234 has 16 divisors (see below), whose sum is σ = 44503008. Its totient is φ = 13738032.

The previous prime is 28562231. The next prime is 28562239. The reversal of 28562234 is 43226582.

It is a super-2 number, since 2×28562234² = 1631602422141512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28562234.

It is not an unprimeable number, because it can be changed into a prime (28562231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3284 + ... + 8240.

It is an arithmetic number, because the mean of its divisors is an integer number (2781438).

Almost surely, 2^28562234 is an apocalyptic number.

28562234 is a deficient number, since it is larger than the sum of its proper divisors (15940774).

28562234 is a wasteful number, since it uses less digits than its factorization.

28562234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069.

The product of its digits is 23040, while the sum is 32.

The square root of 28562234 is about 5344.3646956397. The cubic root of 28562234 is about 305.6779116268.

The spelling of 28562234 in words is "twenty-eight million, five hundred sixty-two thousand, two hundred thirty-four".