22275605 has 8 divisors (see below), whose sum is σ = 29160864. Its totient is φ = 16200400.

The previous prime is 22275601. The next prime is 22275607. The reversal of 22275605 is 50657222.

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

It is not a de Polignac number, because 22275605 - 2² = 22275601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22275601) 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 7 ways as a sum of consecutive naturals, for example, 202451 + ... + 202560.

It is an arithmetic number, because the mean of its divisors is an integer number (3645108).

Almost surely, 2^22275605 is an apocalyptic number.

It is an amenable number.

22275605 is a deficient number, since it is larger than the sum of its proper divisors (6885259).

22275605 is a wasteful number, since it uses less digits than its factorization.

22275605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405027.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22275605 is about 4719.7039102045. The cubic root of 22275605 is about 281.3691656341.

The spelling of 22275605 in words is "twenty-two million, two hundred seventy-five thousand, six hundred five".