22450452 has 24 divisors (see below), whose sum is σ = 53663232. Its totient is φ = 7300800.

The previous prime is 22450451. The next prime is 22450499. The reversal of 22450452 is 25405422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22324 + ... + 23307.

It is an arithmetic number, because the mean of its divisors is an integer number (2235968).

Almost surely, 2^22450452 is an apocalyptic number.

It is an amenable number.

22450452 is an abundant number, since it is smaller than the sum of its proper divisors (31212780).

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

22450452 is a wasteful number, since it uses less digits than its factorization.

22450452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45679 (or 45677 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 22450452 is about 4738.1907939635. The cubic root of 22450452 is about 282.1034276822.

Adding to 22450452 its reverse (25405422), we get a palindrome (47855874).

The spelling of 22450452 in words is "twenty-two million, four hundred fifty thousand, four hundred fifty-two".