22110979 has 4 divisors (see below), whose sum is σ = 24121080. Its totient is φ = 20100880.

The previous prime is 22110961. The next prime is 22110989. The reversal of 22110979 is 97901122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22110979 - 2⁵ = 22110947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22110979.

It is not an unprimeable number, because it can be changed into a prime (22110989) 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, 1005034 + ... + 1005055.

It is an arithmetic number, because the mean of its divisors is an integer number (6030270).

Almost surely, 2^22110979 is an apocalyptic number.

22110979 is a deficient number, since it is larger than the sum of its proper divisors (2010101).

22110979 is a wasteful number, since it uses less digits than its factorization.

22110979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010100.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 22110979 is about 4702.2312788718. The cubic root of 22110979 is about 280.6743059314.

The spelling of 22110979 in words is "twenty-two million, one hundred ten thousand, nine hundred seventy-nine".