22979406 has 8 divisors (see below), whose sum is σ = 45958824. Its totient is φ = 7659800.

The previous prime is 22979387. The next prime is 22979413. The reversal of 22979406 is 60497922.

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

22979406 is an admirable number.

It is a super-2 number, since 2×22979406² = 1056106200225672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914945 + ... + 1914956.

It is an arithmetic number, because the mean of its divisors is an integer number (5744853).

Almost surely, 2^22979406 is an apocalyptic number.

22979406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22979406 is a wasteful number, since it uses less digits than its factorization.

22979406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829906.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 22979406 is about 4793.6839695583. The cubic root of 22979406 is about 284.3017935137.

The spelling of 22979406 in words is "twenty-two million, nine hundred seventy-nine thousand, four hundred six".