22979427 has 16 divisors (see below), whose sum is σ = 32752512. Its totient is φ = 14280320.

The previous prime is 22979423. The next prime is 22979431. The reversal of 22979427 is 72497922.

It is an interprime number because it is at equal distance from previous prime (22979423) and next prime (22979431).

It is a cyclic number.

It is not a de Polignac number, because 22979427 - 2² = 22979423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22979423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3352 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (2047032).

Almost surely, 2^22979427 is an apocalyptic number.

22979427 is a deficient number, since it is larger than the sum of its proper divisors (9773085).

22979427 is a wasteful number, since it uses less digits than its factorization.

22979427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338.

The product of its digits is 127008, while the sum is 42.

The square root of 22979427 is about 4793.6861599400. The cubic root of 22979427 is about 284.3018801179.

The spelling of 22979427 in words is "twenty-two million, nine hundred seventy-nine thousand, four hundred twenty-seven".