22313344 has 32 divisors (see below), whose sum is σ = 45410400. Its totient is φ = 10916352.

The previous prime is 22313339. The next prime is 22313363. The reversal of 22313344 is 44331322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×22313344³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4162 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (1419075).

Almost surely, 2^22313344 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 22313344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22705200).

22313344 is an abundant number, since it is smaller than the sum of its proper divisors (23097056).

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

22313344 is an equidigital number, since it uses as much as digits as its factorization.

22313344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3758 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 22313344 is about 4723.7002445117. The cubic root of 22313344 is about 281.5279731421.

Adding to 22313344 its reverse (44331322), we get a palindrome (66644666).

The spelling of 22313344 in words is "twenty-two million, three hundred thirteen thousand, three hundred forty-four".