22544002 has 16 divisors (see below), whose sum is σ = 38001600. Its totient is φ = 9952272.

The previous prime is 22543999. The next prime is 22544003. The reversal of 22544002 is 20044522.

It is not an unprimeable number, because it can be changed into a prime (22544003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18252 + ... + 19447.

It is an arithmetic number, because the mean of its divisors is an integer number (2375100).

Almost surely, 2^22544002 is an apocalyptic number.

22544002 is a deficient number, since it is larger than the sum of its proper divisors (15457598).

22544002 is a wasteful number, since it uses less digits than its factorization.

22544002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37737.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22544002 is about 4748.0524428443. The cubic root of 22544002 is about 282.4947220148.

Adding to 22544002 its reverse (20044522), we get a palindrome (42588524).

The spelling of 22544002 in words is "twenty-two million, five hundred forty-four thousand, two".