28822075 has 12 divisors (see below), whose sum is σ = 36706480. Its totient is φ = 22433760.

The previous prime is 28822063. The next prime is 28822099. The reversal of 28822075 is 57022882.

It is not a de Polignac number, because 28822075 - 2²¹ = 26724923 is a prime.

It is a super-3 number, since 3×28822075³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28822075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14655 + ... + 16504.

Almost surely, 2^28822075 is an apocalyptic number.

28822075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28822075 is a deficient number, since it is larger than the sum of its proper divisors (7884405).

28822075 is a wasteful number, since it uses less digits than its factorization.

28822075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31206 (or 31201 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28822075 is about 5368.6194687275. The cubic root of 28822075 is about 306.6020690708.

The spelling of 28822075 in words is "twenty-eight million, eight hundred twenty-two thousand, seventy-five".