22313613 has 16 divisors (see below), whose sum is σ = 34511360. Its totient is φ = 12559536.

The previous prime is 22313593. The next prime is 22313647. The reversal of 22313613 is 31631322.

It is not a de Polignac number, because 22313613 - 2¹⁷ = 22182541 is a prime.

It is a super-3 number, since 3×22313613³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22313613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313653) 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, 6523 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (2156960).

Almost surely, 2^22313613 is an apocalyptic number.

It is an amenable number.

22313613 is a deficient number, since it is larger than the sum of its proper divisors (12197747).

22313613 is a wasteful number, since it uses less digits than its factorization.

22313613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15936.

The product of its digits is 648, while the sum is 21.

The square root of 22313613 is about 4723.7287178669. The cubic root of 22313613 is about 281.5291044639.

Adding to 22313613 its reverse (31631322), we get a palindrome (53944935).

The spelling of 22313613 in words is "twenty-two million, three hundred thirteen thousand, six hundred thirteen".