22225452 has 24 divisors (see below), whose sum is σ = 54114816. Its totient is φ = 7086288.

The previous prime is 22225451. The next prime is 22225471. The reversal of 22225452 is 25452222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22225451) 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, 39988 + ... + 40539.

It is an arithmetic number, because the mean of its divisors is an integer number (2254784).

Almost surely, 2^22225452 is an apocalyptic number.

It is an amenable number.

22225452 is an abundant number, since it is smaller than the sum of its proper divisors (31889364).

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

22225452 is a wasteful number, since it uses less digits than its factorization.

22225452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80557 (or 80555 counting only the distinct ones).

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

The square root of 22225452 is about 4714.3877651292. The cubic root of 22225452 is about 281.1578416078.

Adding to 22225452 its reverse (25452222), we get a palindrome (47677674).

The spelling of 22225452 in words is "twenty-two million, two hundred twenty-five thousand, four hundred fifty-two".