22213003344 has 40 divisors (see below), whose sum is σ = 65581248960. Its totient is φ = 6346572288.

The previous prime is 22213003343. The next prime is 22213003349. The reversal of 22213003344 is 44330031222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213003343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33054729 + ... + 33055400.

It is an arithmetic number, because the mean of its divisors is an integer number (1639531224).

Almost surely, 2^22213003344 is an apocalyptic number.

22213003344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22213003344 is an abundant number, since it is smaller than the sum of its proper divisors (43368245616).

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

22213003344 is a wasteful number, since it uses less digits than its factorization.

22213003344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66110147 (or 66110141 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22213003344 its reverse (44330031222), we get a palindrome (66543034566).

The spelling of 22213003344 in words is "twenty-two billion, two hundred thirteen million, three thousand, three hundred forty-four".