22456879 has 8 divisors (see below), whose sum is σ = 24189440. Its totient is φ = 20779416.

The previous prime is 22456877. The next prime is 22456897. The reversal of 22456879 is 97865422.

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

It is a cyclic number.

It is not a de Polignac number, because 22456879 - 2¹ = 22456877 is a prime.

It is a super-2 number, since 2×22456879² = 1008622828841282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22456873) 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, 12927 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (3023680).

Almost surely, 2^22456879 is an apocalyptic number.

22456879 is a deficient number, since it is larger than the sum of its proper divisors (1732561).

22456879 is a wasteful number, since it uses less digits than its factorization.

22456879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27549.

The product of its digits is 241920, while the sum is 43.

The square root of 22456879 is about 4738.8689578844. The cubic root of 22456879 is about 282.1303448202.

The spelling of 22456879 in words is "twenty-two million, four hundred fifty-six thousand, eight hundred seventy-nine".