22546444 has 12 divisors (see below), whose sum is σ = 39561984. Its totient is φ = 11243024.

The previous prime is 22546441. The next prime is 22546457. The reversal of 22546444 is 44464522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22546441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5827 + ... + 8890.

It is an arithmetic number, because the mean of its divisors is an integer number (3296832).

Almost surely, 2^22546444 is an apocalyptic number.

It is an amenable number.

22546444 is a deficient number, since it is larger than the sum of its proper divisors (17015540).

22546444 is a wasteful number, since it uses less digits than its factorization.

22546444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15104 (or 15102 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 22546444 is about 4748.3095939503. The cubic root of 22546444 is about 282.5049217301.

The spelling of 22546444 in words is "twenty-two million, five hundred forty-six thousand, four hundred forty-four".