22013313 has 32 divisors (see below), whose sum is σ = 34636800. Its totient is φ = 12177216.

The previous prime is 22013281. The next prime is 22013339. The reversal of 22013313 is 31331022.

It is not a de Polignac number, because 22013313 - 2⁵ = 22013281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22013292 and 22013301.

It is not an unprimeable number, because it can be changed into a prime (22013393) 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 31 ways as a sum of consecutive naturals, for example, 134970 + ... + 135132.

It is an arithmetic number, because the mean of its divisors is an integer number (1082400).

Almost surely, 2^22013313 is an apocalyptic number.

It is an amenable number.

22013313 is a deficient number, since it is larger than the sum of its proper divisors (12623487).

22013313 is a wasteful number, since it uses less digits than its factorization.

22013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 22013313 is about 4691.8347157589. The cubic root of 22013313 is about 280.2604421982.

Adding to 22013313 its reverse (31331022), we get a palindrome (53344335).

The spelling of 22013313 in words is "twenty-two million, thirteen thousand, three hundred thirteen".