22745130 has 32 divisors (see below), whose sum is σ = 54960768. Its totient is φ = 6024000.

The previous prime is 22745123. The next prime is 22745143. The reversal of 22745130 is 3154722.

It is a self number, because there is not a number n which added to its sum of digits gives 22745130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020 + ... + 7040.

It is an arithmetic number, because the mean of its divisors is an integer number (1717524).

Almost surely, 2^22745130 is an apocalyptic number.

22745130 is an abundant number, since it is smaller than the sum of its proper divisors (32215638).

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

22745130 is a wasteful number, since it uses less digits than its factorization.

22745130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22745130 is about 4769.1854650454. The cubic root of 22745130 is about 283.3323352522.

Adding to 22745130 its reverse (3154722), we get a palindrome (25899852).

The spelling of 22745130 in words is "twenty-two million, seven hundred forty-five thousand, one hundred thirty".