22653009 has 12 divisors (see below), whose sum is σ = 32870656. Its totient is φ = 15032952.

The previous prime is 22652957. The next prime is 22653017. The reversal of 22653009 is 90035622.

22653009 is a `hidden beast` number, since 2 + 2 + 653 + 0 + 0 + 9 = 666.

It is not a de Polignac number, because 22653009 - 2⁷ = 22652881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22653019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3637 + ... + 7650.

Almost surely, 2^22653009 is an apocalyptic number.

It is an amenable number.

22653009 is a deficient number, since it is larger than the sum of its proper divisors (10217647).

22653009 is a wasteful number, since it uses less digits than its factorization.

22653009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 22653009 is about 4759.5177276695. The cubic root of 22653009 is about 282.9493056403.

It can be divided in two parts, 226 and 53009, that added together give a palindrome (53235).

The spelling of 22653009 in words is "twenty-two million, six hundred fifty-three thousand, nine".