22730743 has 4 divisors (see below), whose sum is σ = 25978000. Its totient is φ = 19483488.

The previous prime is 22730737. The next prime is 22730767. The reversal of 22730743 is 34703722.

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 22730743 - 2⁵ = 22730711 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 (22731743) 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, 1623618 + ... + 1623631.

It is an arithmetic number, because the mean of its divisors is an integer number (6494500).

Almost surely, 2^22730743 is an apocalyptic number.

22730743 is a deficient number, since it is larger than the sum of its proper divisors (3247257).

22730743 is an equidigital number, since it uses as much as digits as its factorization.

22730743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247256.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 22730743 is about 4767.6768976096. The cubic root of 22730743 is about 283.2725838230.

The spelling of 22730743 in words is "twenty-two million, seven hundred thirty thousand, seven hundred forty-three".