22767013 has 4 divisors (see below), whose sum is σ = 23322348. Its totient is φ = 22211680.

The previous prime is 22767007. The next prime is 22767053. The reversal of 22767013 is 31076722.

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 4941729 + 17825284 = 2223^2 + 4222^2 .

It is a cyclic number.

It is not a de Polignac number, because 22767013 - 2¹³ = 22758821 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 (22767053) 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, 277606 + ... + 277687.

It is an arithmetic number, because the mean of its divisors is an integer number (5830587).

Almost surely, 2^22767013 is an apocalyptic number.

It is an amenable number.

22767013 is a deficient number, since it is larger than the sum of its proper divisors (555335).

22767013 is an equidigital number, since it uses as much as digits as its factorization.

22767013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555334.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 22767013 is about 4771.4791207759. The cubic root of 22767013 is about 283.4231704356.

The spelling of 22767013 in words is "twenty-two million, seven hundred sixty-seven thousand, thirteen".