22513150 has 24 divisors (see below), whose sum is σ = 45682344. Its totient is φ = 8186400.

The previous prime is 22513147. The next prime is 22513171. The reversal of 22513150 is 5131522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19917 + ... + 21016.

It is an arithmetic number, because the mean of its divisors is an integer number (1903431).

Almost surely, 2^22513150 is an apocalyptic number.

22513150 is an abundant number, since it is smaller than the sum of its proper divisors (23169194).

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

22513150 is a wasteful number, since it uses less digits than its factorization.

22513150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40956 (or 40951 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 22513150 is about 4744.8024194902. The cubic root of 22513150 is about 282.3657962812.

Adding to 22513150 its reverse (5131522), we get a palindrome (27644672).

It can be divided in two parts, 2 and 2513150, that added together give a palindrome (2513152).

The spelling of 22513150 in words is "twenty-two million, five hundred thirteen thousand, one hundred fifty".