22344442 has 8 divisors (see below), whose sum is σ = 34672500. Its totient is φ = 10786944.

The previous prime is 22344419. The next prime is 22344451. The reversal of 22344442 is 24444322.

It can be written as a sum of positive squares in 2 ways, for example, as 19882681 + 2461761 = 4459^2 + 1569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 192567 + ... + 192682.

Almost surely, 2^22344442 is an apocalyptic number.

22344442 is a deficient number, since it is larger than the sum of its proper divisors (12328058).

22344442 is a wasteful number, since it uses less digits than its factorization.

22344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385280.

The product of its digits is 6144, while the sum is 25.

The square root of 22344442 is about 4726.9907975371. The cubic root of 22344442 is about 281.6587004894.

Adding to 22344442 its reverse (24444322), we get a palindrome (46788764).

The spelling of 22344442 in words is "twenty-two million, three hundred forty-four thousand, four hundred forty-two".