22504150 has 12 divisors (see below), whose sum is σ = 41857812. Its totient is φ = 9001640.

The previous prime is 22504129. The next prime is 22504159. The reversal of 22504150 is 5140522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224992 + ... + 225091.

It is an arithmetic number, because the mean of its divisors is an integer number (3488151).

Almost surely, 2^22504150 is an apocalyptic number.

22504150 is a deficient number, since it is larger than the sum of its proper divisors (19353662).

22504150 is a wasteful number, since it uses less digits than its factorization.

22504150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450095 (or 450090 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22504150 is about 4743.8539184929. The cubic root of 22504150 is about 282.3281644840.

Adding to 22504150 its reverse (5140522), we get a palindrome (27644672).

It can be divided in two parts, 2250 and 4150, that added together give a square (6400 = 80²).

The spelling of 22504150 in words is "twenty-two million, five hundred four thousand, one hundred fifty".