22970789 has 4 divisors (see below), whose sum is σ = 22983660. Its totient is φ = 22957920.

The previous prime is 22970777. The next prime is 22970797. The reversal of 22970789 is 98707922.

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 19936225 + 3034564 = 4465^2 + 1742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22970789 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 (22970489) 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, 3224 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (5745915).

Almost surely, 2^22970789 is an apocalyptic number.

It is an amenable number.

22970789 is a deficient number, since it is larger than the sum of its proper divisors (12871).

22970789 is a wasteful number, since it uses less digits than its factorization.

22970789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 22970789 is about 4792.7850984579. The cubic root of 22970789 is about 284.2662524901.

The spelling of 22970789 in words is "twenty-two million, nine hundred seventy thousand, seven hundred eighty-nine".