22960813 has 4 divisors (see below), whose sum is σ = 22989340. Its totient is φ = 22932288.

The previous prime is 22960811. The next prime is 22960849. The reversal of 22960813 is 31806922.

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 5008644 + 17952169 = 2238^2 + 4237^2 .

It is a cyclic number.

It is not a de Polignac number, because 22960813 - 2¹ = 22960811 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 (22960811) 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, 13020 + ... + 14677.

It is an arithmetic number, because the mean of its divisors is an integer number (5747335).

Almost surely, 2^22960813 is an apocalyptic number.

It is an amenable number.

22960813 is a deficient number, since it is larger than the sum of its proper divisors (28527).

22960813 is an equidigital number, since it uses as much as digits as its factorization.

22960813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28526.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22960813 is about 4791.7442544443. The cubic root of 22960813 is about 284.2250951349.

The spelling of 22960813 in words is "twenty-two million, nine hundred sixty thousand, eight hundred thirteen".