22605942 has 8 divisors (see below), whose sum is σ = 45211896. Its totient is φ = 7535312.

The previous prime is 22605923. The next prime is 22605943. The reversal of 22605942 is 24950622.

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

22605942 is an admirable number.

It is a super-2 number, since 2×22605942² = 1022057227414728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22605943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883823 + ... + 1883834.

It is an arithmetic number, because the mean of its divisors is an integer number (5651487).

Almost surely, 2^22605942 is an apocalyptic number.

22605942 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.

22605942 is a wasteful number, since it uses less digits than its factorization.

22605942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767662.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 22605942 is about 4754.5706430760. The cubic root of 22605942 is about 282.7532049942.

The spelling of 22605942 in words is "twenty-two million, six hundred five thousand, nine hundred forty-two".