22162918 has 8 divisors (see below), whose sum is σ = 33391512. Its totient is φ = 11032416.

The previous prime is 22162891. The next prime is 22162927. The reversal of 22162918 is 81926122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22162918.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23955 + ... + 24862.

It is an arithmetic number, because the mean of its divisors is an integer number (4173939).

Almost surely, 2^22162918 is an apocalyptic number.

22162918 is a deficient number, since it is larger than the sum of its proper divisors (11228594).

22162918 is a wasteful number, since it uses less digits than its factorization.

22162918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49046.

The product of its digits is 3456, while the sum is 31.

The square root of 22162918 is about 4707.7508430247. The cubic root of 22162918 is about 280.8939033699.

The spelling of 22162918 in words is "twenty-two million, one hundred sixty-two thousand, nine hundred eighteen".