22454456 has 32 divisors (see below), whose sum is σ = 43297200. Its totient is φ = 10913280.

The previous prime is 22454431. The next prime is 22454459. The reversal of 22454456 is 65445422.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22454459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53126 + ... + 53546.

Almost surely, 2^22454456 is an apocalyptic number.

It is an amenable number.

22454456 is a deficient number, since it is larger than the sum of its proper divisors (20842744).

22454456 is a wasteful number, since it uses less digits than its factorization.

22454456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 595 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 22454456 is about 4738.6132992680. The cubic root of 22454456 is about 282.1201975744.

Adding to 22454456 its reverse (65445422), we get a palindrome (87899878).

The spelling of 22454456 in words is "twenty-two million, four hundred fifty-four thousand, four hundred fifty-six".