22743793 has 4 divisors (see below), whose sum is σ = 22811620. Its totient is φ = 22675968.

The previous prime is 22743769. The next prime is 22743797. The reversal of 22743793 is 39734722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2241009 + 20502784 = 1497^2 + 4528^2 .

It is a cyclic number.

It is not a de Polignac number, because 22743793 - 2⁵ = 22743761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22743797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33408 + ... + 34081.

It is an arithmetic number, because the mean of its divisors is an integer number (5702905).

Almost surely, 2^22743793 is an apocalyptic number.

It is an amenable number.

22743793 is a deficient number, since it is larger than the sum of its proper divisors (67827).

22743793 is an equidigital number, since it uses as much as digits as its factorization.

22743793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67826.

The product of its digits is 63504, while the sum is 37.

The square root of 22743793 is about 4769.0452922991. The cubic root of 22743793 is about 283.3267835472.

The spelling of 22743793 in words is "twenty-two million, seven hundred forty-three thousand, seven hundred ninety-three".