22988228 has 6 divisors (see below), whose sum is σ = 40229406. Its totient is φ = 11494112.

The previous prime is 22988197. The next prime is 22988243. The reversal of 22988228 is 82288922.

It can be written as a sum of positive squares in only one way, i.e., 22963264 + 24964 = 4792^2 + 158^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2873525 + ... + 2873532.

It is an arithmetic number, because the mean of its divisors is an integer number (6704901).

Almost surely, 2^22988228 is an apocalyptic number.

It is an amenable number.

22988228 is a deficient number, since it is larger than the sum of its proper divisors (17241178).

22988228 is a wasteful number, since it uses less digits than its factorization.

22988228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747061 (or 5747059 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 22988228 is about 4794.6040503883. The cubic root of 22988228 is about 284.3381708615.

The spelling of 22988228 in words is "twenty-two million, nine hundred eighty-eight thousand, two hundred twenty-eight".