22828228 has 12 divisors (see below), whose sum is σ = 40173840. Its totient is φ = 11349992.

The previous prime is 22828219. The next prime is 22828231. The reversal of 22828228 is 82282822.

It is a super-2 number, since 2×22828228² = 1042255987239968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22828193 and 22828202.

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 3 ways as a sum of consecutive naturals, for example, 15226 + ... + 16657.

It is an arithmetic number, because the mean of its divisors is an integer number (3347820).

Almost surely, 2^22828228 is an apocalyptic number.

It is an amenable number.

22828228 is a deficient number, since it is larger than the sum of its proper divisors (17345612).

22828228 is a wasteful number, since it uses less digits than its factorization.

22828228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32066 (or 32064 counting only the distinct ones).

The product of its digits is 16384, while the sum is 34.

The square root of 22828228 is about 4777.8894922340. The cubic root of 22828228 is about 283.6769619307.

The spelling of 22828228 in words is "twenty-two million, eight hundred twenty-eight thousand, two hundred twenty-eight".