22744513 has 8 divisors (see below), whose sum is σ = 24847200. Its totient is φ = 20647680.

The previous prime is 22744511. The next prime is 22744523. The reversal of 22744513 is 31544722.

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

It is a cyclic number.

It is not a de Polignac number, because 22744513 - 2¹ = 22744511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22744511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12538 + ... + 14236.

It is an arithmetic number, because the mean of its divisors is an integer number (3105900).

Almost surely, 2^22744513 is an apocalyptic number.

It is an amenable number.

22744513 is a deficient number, since it is larger than the sum of its proper divisors (2102687).

22744513 is a wasteful number, since it uses less digits than its factorization.

22744513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927.

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

The square root of 22744513 is about 4769.1207785083. The cubic root of 22744513 is about 283.3297732732.

The spelling of 22744513 in words is "twenty-two million, seven hundred forty-four thousand, five hundred thirteen".