22650513 has 16 divisors (see below), whose sum is σ = 31151040. Its totient is φ = 14632704.

The previous prime is 22650503. The next prime is 22650539. The reversal of 22650513 is 31505622.

It is not a de Polignac number, because 22650513 - 2⁴ = 22650497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22650503) 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 15 ways as a sum of consecutive naturals, for example, 12045 + ... + 13797.

It is an arithmetic number, because the mean of its divisors is an integer number (1946940).

Almost surely, 2^22650513 is an apocalyptic number.

It is an amenable number.

22650513 is a deficient number, since it is larger than the sum of its proper divisors (8500527).

22650513 is a wasteful number, since it uses less digits than its factorization.

22650513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 22650513 is about 4759.2555090056. The cubic root of 22650513 is about 282.9389130929.

The spelling of 22650513 in words is "twenty-two million, six hundred fifty thousand, five hundred thirteen".