22713751 has 4 divisors (see below), whose sum is σ = 24049872. Its totient is φ = 21377632.

The previous prime is 22713739. The next prime is 22713763. The reversal of 22713751 is 15731722.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22713739) and next prime (22713763).

It is a cyclic number.

It is not a de Polignac number, because 22713751 - 2⁷ = 22713623 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 (22713781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668035 + ... + 668068.

It is an arithmetic number, because the mean of its divisors is an integer number (6012468).

Almost surely, 2^22713751 is an apocalyptic number.

22713751 is a deficient number, since it is larger than the sum of its proper divisors (1336121).

22713751 is a wasteful number, since it uses less digits than its factorization.

22713751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336120.

The product of its digits is 2940, while the sum is 28.

The square root of 22713751 is about 4765.8945645073. The cubic root of 22713751 is about 283.2019809449.

The spelling of 22713751 in words is "twenty-two million, seven hundred thirteen thousand, seven hundred fifty-one".