22050904 has 32 divisors (see below), whose sum is σ = 45295200. Its totient is φ = 10017280.

The previous prime is 22050901. The next prime is 22050911. The reversal of 22050904 is 40905022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22050901) 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, 1149 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (1415475).

Almost surely, 2^22050904 is an apocalyptic number.

It is an amenable number.

22050904 is an abundant number, since it is smaller than the sum of its proper divisors (23244296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22050904 is a wasteful number, since it uses less digits than its factorization.

22050904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22050904 is about 4695.8390091655. The cubic root of 22050904 is about 280.4198802486.

Adding to 22050904 its reverse (40905022), we get a palindrome (62955926).

The spelling of 22050904 in words is "twenty-two million, fifty thousand, nine hundred four".