22000079 has 8 divisors (see below), whose sum is σ = 22364160. Its totient is φ = 21639096.

The previous prime is 22000061. The next prime is 22000087. The reversal of 22000079 is 97000022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000079 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 22000079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000379) 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, 16562 + ... + 17840.

It is an arithmetic number, because the mean of its divisors is an integer number (2795520).

Almost surely, 2^22000079 is an apocalyptic number.

22000079 is a deficient number, since it is larger than the sum of its proper divisors (364081).

22000079 is a wasteful number, since it uses less digits than its factorization.

22000079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 22000079 is about 4690.4241812442. The cubic root of 22000079 is about 280.2042684608.

The spelling of 22000079 in words is "twenty-two million, seventy-nine", and thus it is an aban number and an uban number.