22045344 has 24 divisors (see below), whose sum is σ = 57869280. Its totient is φ = 7348416.

The previous prime is 22045337. The next prime is 22045349. The reversal of 22045344 is 44354022.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (22045349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114724 + ... + 114915.

It is an arithmetic number, because the mean of its divisors is an integer number (2411220).

Almost surely, 2^22045344 is an apocalyptic number.

22045344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22045344 is an abundant number, since it is smaller than the sum of its proper divisors (35823936).

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

22045344 is a wasteful number, since it uses less digits than its factorization.

22045344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229652 (or 229644 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 22045344 is about 4695.2469583612. The cubic root of 22045344 is about 280.3963095506.

Adding to 22045344 its reverse (44354022), we get a palindrome (66399366).

The spelling of 22045344 in words is "twenty-two million, forty-five thousand, three hundred forty-four".