28222358 has 16 divisors (see below), whose sum is σ = 43164576. Its totient is φ = 13836480.

The previous prime is 28222349. The next prime is 28222361. The reversal of 28222358 is 85322282.

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, 32660 + ... + 33512.

It is an arithmetic number, because the mean of its divisors is an integer number (2697786).

Almost surely, 2^28222358 is an apocalyptic number.

28222358 is a deficient number, since it is larger than the sum of its proper divisors (14942218).

28222358 is a wasteful number, since it uses less digits than its factorization.

28222358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its digits is 15360, while the sum is 32.

The square root of 28222358 is about 5312.4719293376. The cubic root of 28222358 is about 304.4605999659.

The spelling of 28222358 in words is "twenty-eight million, two hundred twenty-two thousand, three hundred fifty-eight".