22828218 has 24 divisors (see below), whose sum is σ = 53111232. Its totient is φ = 6522264.

The previous prime is 22828217. The next prime is 22828219. The reversal of 22828218 is 81282822.

It is an interprime number because it is at equal distance from previous prime (22828217) and next prime (22828219).

It is a super-2 number, since 2×22828218² = 1042255074111048, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22828217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38530 + ... + 39117.

It is an arithmetic number, because the mean of its divisors is an integer number (2212968).

Almost surely, 2^22828218 is an apocalyptic number.

22828218 is an abundant number, since it is smaller than the sum of its proper divisors (30283014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22828218 is a wasteful number, since it uses less digits than its factorization.

22828218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77666 (or 77659 counting only the distinct ones).

The product of its digits is 8192, while the sum is 33.

The square root of 22828218 is about 4777.8884457467. Note that the first 3 decimals coincide. The cubic root of 22828218 is about 283.6769205087.

The spelling of 22828218 in words is "twenty-two million, eight hundred twenty-eight thousand, two hundred eighteen".