22450444 has 24 divisors (see below), whose sum is σ = 40219200. Its totient is φ = 10962000.

The previous prime is 22450433. The next prime is 22450451. The reversal of 22450444 is 44405422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59047 + ... + 59425.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2^22450444 is an apocalyptic number.

It is an amenable number.

22450444 is a deficient number, since it is larger than the sum of its proper divisors (17768756).

22450444 is a wasteful number, since it uses less digits than its factorization.

22450444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 22450444 is about 4738.1899497593. The cubic root of 22450444 is about 282.1033941739.

Adding to 22450444 its reverse (44405422), we get a palindrome (66855866).

The spelling of 22450444 in words is "twenty-two million, four hundred fifty thousand, four hundred forty-four".