22313318 has 16 divisors (see below), whose sum is σ = 34319376. Its totient is φ = 10876320.

The previous prime is 22313303. The next prime is 22313321. The reversal of 22313318 is 81331322.

It is a super-3 number, since 3×22313318³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22313293 and 22313302.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18605 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (2144961).

Almost surely, 2^22313318 is an apocalyptic number.

22313318 is a deficient number, since it is larger than the sum of its proper divisors (12006058).

22313318 is a wasteful number, since it uses less digits than its factorization.

22313318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399.

The product of its digits is 864, while the sum is 23.

The square root of 22313318 is about 4723.6974924311. The cubic root of 22313318 is about 281.5278637945.

The spelling of 22313318 in words is "twenty-two million, three hundred thirteen thousand, three hundred eighteen".