22944490 has 8 divisors (see below), whose sum is σ = 41300100. Its totient is φ = 9177792.

The previous prime is 22944463. The next prime is 22944497. The reversal of 22944490 is 9444922.

It can be written as a sum of positive squares in 2 ways, for example, as 22118209 + 826281 = 4703^2 + 909^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22944497) 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, 1147215 + ... + 1147234.

Almost surely, 2^22944490 is an apocalyptic number.

22944490 is a deficient number, since it is larger than the sum of its proper divisors (18355610).

22944490 is a wasteful number, since it uses less digits than its factorization.

22944490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294456.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22944490 is about 4790.0407096391. The cubic root of 22944490 is about 284.1577266427.

It can be divided in two parts, 2 and 2944490, that added together give a palindrome (2944492).

The spelling of 22944490 in words is "twenty-two million, nine hundred forty-four thousand, four hundred ninety".