22218796 has 24 divisors (see below), whose sum is σ = 42287616. Its totient is φ = 10172160.

The previous prime is 22218767. The next prime is 22218799. The reversal of 22218796 is 69781222.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (22218799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900 + ... + 6931.

It is an arithmetic number, because the mean of its divisors is an integer number (1761984).

Almost surely, 2^22218796 is an apocalyptic number.

It is an amenable number.

22218796 is a deficient number, since it is larger than the sum of its proper divisors (20068820).

22218796 is a wasteful number, since it uses less digits than its factorization.

22218796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8889 (or 8887 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 22218796 is about 4713.6817881567. The cubic root of 22218796 is about 281.1297720859.

The spelling of 22218796 in words is "twenty-two million, two hundred eighteen thousand, seven hundred ninety-six".