22269645 has 24 divisors (see below), whose sum is σ = 38817792. Its totient is φ = 11810400.

The previous prime is 22269613. The next prime is 22269673. The reversal of 22269645 is 54696222.

22269645 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 9 + 645 = 666.

It is not a de Polignac number, because 22269645 - 2⁵ = 22269613 is a prime.

It is a super-3 number, since 3×22269645³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7300 + ... + 9890.

It is an arithmetic number, because the mean of its divisors is an integer number (1617408).

Almost surely, 2^22269645 is an apocalyptic number.

It is an amenable number.

22269645 is a deficient number, since it is larger than the sum of its proper divisors (16548147).

22269645 is a wasteful number, since it uses less digits than its factorization.

22269645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793 (or 2790 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22269645 is about 4719.0724724251. The cubic root of 22269645 is about 281.3440692740.

The spelling of 22269645 in words is "twenty-two million, two hundred sixty-nine thousand, six hundred forty-five".