22425152 has 56 divisors (see below), whose sum is σ = 46817280. Its totient is φ = 10644480.

The previous prime is 22425107. The next prime is 22425163. The reversal of 22425152 is 25152422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176513 + ... + 176639.

Almost surely, 2^22425152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22425152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23408640).

22425152 is an abundant number, since it is smaller than the sum of its proper divisors (24392128).

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

22425152 is a wasteful number, since it uses less digits than its factorization.

22425152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 249 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 22425152 is about 4735.5202459709. The cubic root of 22425152 is about 281.9974179466.

Adding to 22425152 its reverse (25152422), we get a palindrome (47577574).

The spelling of 22425152 in words is "twenty-two million, four hundred twenty-five thousand, one hundred fifty-two".