22335444 has 18 divisors (see below), whose sum is σ = 56459130. Its totient is φ = 7445136.

The previous prime is 22335437. The next prime is 22335473. The reversal of 22335444 is 44453322.

It can be written as a sum of positive squares in only one way, i.e., 17539344 + 4796100 = 4188^2 + 2190^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310179 + ... + 310250.

Almost surely, 2^22335444 is an apocalyptic number.

It is an amenable number.

22335444 is an abundant number, since it is smaller than the sum of its proper divisors (34123686).

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

22335444 is a wasteful number, since it uses less digits than its factorization.

22335444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620439 (or 620434 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 22335444 is about 4726.0389333987. The cubic root of 22335444 is about 281.6208878757.

Adding to 22335444 its reverse (44453322), we get a palindrome (66788766).

The spelling of 22335444 in words is "twenty-two million, three hundred thirty-five thousand, four hundred forty-four".