22913319 has 16 divisors (see below), whose sum is σ = 35892864. Its totient is φ = 12818400.

The previous prime is 22913311. The next prime is 22913329. The reversal of 22913319 is 91331922.

It is a happy number.

It is not a de Polignac number, because 22913319 - 2³ = 22913311 is a prime.

It is a super-2 number, since 2×22913319² = 1050040375191522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22913311) 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 15 ways as a sum of consecutive naturals, for example, 26277 + ... + 27134.

It is an arithmetic number, because the mean of its divisors is an integer number (2243304).

Almost surely, 2^22913319 is an apocalyptic number.

22913319 is a deficient number, since it is larger than the sum of its proper divisors (12979545).

22913319 is a wasteful number, since it uses less digits than its factorization.

22913319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53438.

The product of its digits is 2916, while the sum is 30.

The square root of 22913319 is about 4786.7858736317. The cubic root of 22913319 is about 284.0289884779.

It can be divided in two parts, 22913 and 319, that added together give a palindrome (23232).

The spelling of 22913319 in words is "twenty-two million, nine hundred thirteen thousand, three hundred nineteen".