28522502 has 16 divisors (see below), whose sum is σ = 44504592. Its totient is φ = 13698720.

The previous prime is 28522493. The next prime is 28522513. The reversal of 28522502 is 20522582.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (2781537).

Almost surely, 2^28522502 is an apocalyptic number.

28522502 is a deficient number, since it is larger than the sum of its proper divisors (15982090).

28522502 is a wasteful number, since it uses less digits than its factorization.

28522502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 28522502 is about 5340.6462155810. The cubic root of 28522502 is about 305.5361063005.

The spelling of 28522502 in words is "twenty-eight million, five hundred twenty-two thousand, five hundred two".