22745413 has 24 divisors (see below), whose sum is σ = 26190080. Its totient is φ = 19673280.

The previous prime is 22745389. The next prime is 22745419. The reversal of 22745413 is 31454722.

It is not a de Polignac number, because 22745413 - 2⁹ = 22744901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22745419) 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 23 ways as a sum of consecutive naturals, for example, 311545 + ... + 311617.

Almost surely, 2^22745413 is an apocalyptic number.

22745413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22745413 is a deficient number, since it is larger than the sum of its proper divisors (3444667).

22745413 is a wasteful number, since it uses less digits than its factorization.

22745413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 146 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 22745413 is about 4769.2151345898. The cubic root of 22745413 is about 283.3335103421. Note that the first 3 decimals are identical.

The spelling of 22745413 in words is "twenty-two million, seven hundred forty-five thousand, four hundred thirteen".