28252922 has 24 divisors (see below), whose sum is σ = 44525376. Its totient is φ = 13438256.

The previous prime is 28252921. The next prime is 28252927. The reversal of 28252922 is 22925282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28252921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263993 + ... + 264099.

It is an arithmetic number, because the mean of its divisors is an integer number (1855224).

Almost surely, 2^28252922 is an apocalyptic number.

28252922 is a deficient number, since it is larger than the sum of its proper divisors (16272454).

28252922 is a wasteful number, since it uses less digits than its factorization.

28252922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 209 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 28252922 is about 5315.3477778975. The cubic root of 28252922 is about 304.5704676648.

The spelling of 28252922 in words is "twenty-eight million, two hundred fifty-two thousand, nine hundred twenty-two".