22939898 has 16 divisors (see below), whose sum is σ = 35455200. Its totient is φ = 11125296.

The previous prime is 22939877. The next prime is 22939909. The reversal of 22939898 is 89893922.

It is a super-4 number, since 4×22939898⁴ (a number of 31 digits) contains 4444 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 12653 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (2215950).

Almost surely, 2^22939898 is an apocalyptic number.

22939898 is a deficient number, since it is larger than the sum of its proper divisors (12515302).

22939898 is a wasteful number, since it uses less digits than its factorization.

22939898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901.

The product of its digits is 559872, while the sum is 50.

The square root of 22939898 is about 4789.5613577863. The cubic root of 22939898 is about 284.1387687238.

The spelling of 22939898 in words is "twenty-two million, nine hundred thirty-nine thousand, eight hundred ninety-eight".