22839013 has 4 divisors (see below), whose sum is σ = 22896940. Its totient is φ = 22781088.

The previous prime is 22838993. The next prime is 22839049. The reversal of 22839013 is 31093822.

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 17447329 + 5391684 = 4177^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 22839013 - 2¹⁷ = 22707941 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 (22839053) 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, 28368 + ... + 29161.

It is an arithmetic number, because the mean of its divisors is an integer number (5724235).

Almost surely, 2^22839013 is an apocalyptic number.

It is an amenable number.

22839013 is a deficient number, since it is larger than the sum of its proper divisors (57927).

22839013 is an equidigital number, since it uses as much as digits as its factorization.

22839013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57926.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22839013 is about 4779.0179953626. The cubic root of 22839013 is about 283.7216284777.

The spelling of 22839013 in words is "twenty-two million, eight hundred thirty-nine thousand, thirteen".