22244738 has 8 divisors (see below), whose sum is σ = 35329932. Its totient is φ = 10468096.

The previous prime is 22244723. The next prime is 22244767. The reversal of 22244738 is 83744222.

It can be written as a sum of positive squares in 2 ways, for example, as 20403289 + 1841449 = 4517^2 + 1357^2 .

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, 327095 + ... + 327162.

Almost surely, 2^22244738 is an apocalyptic number.

22244738 is a deficient number, since it is larger than the sum of its proper divisors (13085194).

22244738 is a wasteful number, since it uses less digits than its factorization.

22244738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654276.

The product of its digits is 21504, while the sum is 32.

The square root of 22244738 is about 4716.4327621625. The cubic root of 22244738 is about 281.2391424286.

The spelling of 22244738 in words is "twenty-two million, two hundred forty-four thousand, seven hundred thirty-eight".