22503130 has 64 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 7789824.

The previous prime is 22503109. The next prime is 22503133. The reversal of 22503130 is 3130522.

It is not an unprimeable number, because it can be changed into a prime (22503133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177127 + ... + 177253.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^22503130 is an apocalyptic number.

22503130 is an abundant number, since it is smaller than the sum of its proper divisors (23945510).

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

22503130 is a wasteful number, since it uses less digits than its factorization.

22503130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 22503130 is about 4743.7464097483. The cubic root of 22503130 is about 282.3238989141.

Adding to 22503130 its reverse (3130522), we get a palindrome (25633652).

The spelling of 22503130 in words is "twenty-two million, five hundred three thousand, one hundred thirty".