22442605 has 8 divisors (see below), whose sum is σ = 27800064. Its totient is φ = 17374800.

The previous prime is 22442573. The next prime is 22442633. The reversal of 22442605 is 50624422.

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

It is not a de Polignac number, because 22442605 - 2⁵ = 22442573 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 22442605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72241 + ... + 72550.

It is an arithmetic number, because the mean of its divisors is an integer number (3475008).

Almost surely, 2^22442605 is an apocalyptic number.

It is an amenable number.

22442605 is a deficient number, since it is larger than the sum of its proper divisors (5357459).

22442605 is a wasteful number, since it uses less digits than its factorization.

22442605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144827.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 22442605 is about 4737.3626629170. The cubic root of 22442605 is about 282.0705564278.

The spelling of 22442605 in words is "twenty-two million, four hundred forty-two thousand, six hundred five".