22063918 has 8 divisors (see below), whose sum is σ = 33219720. Its totient is φ = 10990680.

The previous prime is 22063913. The next prime is 22063919. The reversal of 22063918 is 81936022.

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 22063918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22063913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19968 + ... + 21043.

It is an arithmetic number, because the mean of its divisors is an integer number (4152465).

Almost surely, 2^22063918 is an apocalyptic number.

22063918 is a deficient number, since it is larger than the sum of its proper divisors (11155802).

22063918 is a wasteful number, since it uses less digits than its factorization.

22063918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41282.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22063918 is about 4697.2244996381. The cubic root of 22063918 is about 280.4750354571.

The spelling of 22063918 in words is "twenty-two million, sixty-three thousand, nine hundred eighteen".