22936918 has 8 divisors (see below), whose sum is σ = 34427448. Its totient is φ = 11461104.

The previous prime is 22936897. The next prime is 22936943. The reversal of 22936918 is 81963922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22936918² = 1052204414677448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930 + ... + 7042.

It is an arithmetic number, because the mean of its divisors is an integer number (4303431).

Almost surely, 2^22936918 is an apocalyptic number.

22936918 is a deficient number, since it is larger than the sum of its proper divisors (11490530).

22936918 is a wasteful number, since it uses less digits than its factorization.

22936918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358.

The product of its digits is 46656, while the sum is 40.

The square root of 22936918 is about 4789.2502544762. The cubic root of 22936918 is about 284.1264645395.

The spelling of 22936918 in words is "twenty-two million, nine hundred thirty-six thousand, nine hundred eighteen".