22523252 has 6 divisors (see below), whose sum is σ = 39415698. Its totient is φ = 11261624.

The previous prime is 22523243. The next prime is 22523257. The reversal of 22523252 is 25232522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15319396 + 7203856 = 3914^2 + 2684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22523257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815403 + ... + 2815410.

It is an arithmetic number, because the mean of its divisors is an integer number (6569283).

Almost surely, 2^22523252 is an apocalyptic number.

It is an amenable number.

22523252 is a deficient number, since it is larger than the sum of its proper divisors (16892446).

22523252 is a wasteful number, since it uses less digits than its factorization.

22523252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630817 (or 5630815 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 22523252 is about 4745.8668333614. The cubic root of 22523252 is about 282.4080239383.

Adding to 22523252 its reverse (25232522), we get a palindrome (47755774).

The spelling of 22523252 in words is "twenty-two million, five hundred twenty-three thousand, two hundred fifty-two".