22613164352 has 56 divisors (see below), whose sum is σ = 46593937800. Its totient is φ = 10875877376.

The previous prime is 22613164351. The next prime is 22613164361. The reversal of 22613164352 is 25346131622.

It can be written as a sum of positive squares in 4 ways, for example, as 1022976256 + 21590188096 = 31984^2 + 146936^2 .

It is a super-2 number, since 2×22613164352² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22613164351) 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 7 ways as a sum of consecutive naturals, for example, 476618 + ... + 521910.

Almost surely, 2^22613164352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22613164352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23296968900).

22613164352 is an abundant number, since it is smaller than the sum of its proper divisors (23980773448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22613164352 is a wasteful number, since it uses less digits than its factorization.

22613164352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45603 (or 45593 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

Adding to 22613164352 its reverse (25346131622), we get a palindrome (47959295974).

It can be divided in two parts, 2261 and 3164352, that added together give a palindrome (3166613).

The spelling of 22613164352 in words is "twenty-two billion, six hundred thirteen million, one hundred sixty-four thousand, three hundred fifty-two".