22500743 has 4 divisors (see below), whose sum is σ = 22665120. Its totient is φ = 22336368.

The previous prime is 22500727. The next prime is 22500757. The reversal of 22500743 is 34700522.

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

It is a cyclic number.

It is not a de Polignac number, because 22500743 - 2⁴ = 22500727 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 (22500703) 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, 81983 + ... + 82256.

It is an arithmetic number, because the mean of its divisors is an integer number (5666280).

Almost surely, 2^22500743 is an apocalyptic number.

22500743 is a deficient number, since it is larger than the sum of its proper divisors (164377).

22500743 is a wasteful number, since it uses less digits than its factorization.

22500743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164376.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22500743 is about 4743.4948086827. The cubic root of 22500743 is about 282.3139161402.

The spelling of 22500743 in words is "twenty-two million, five hundred thousand, seven hundred forty-three".