22252152 has 64 divisors (see below), whose sum is σ = 60792480. Its totient is φ = 6746112.

The previous prime is 22252151. The next prime is 22252157. The reversal of 22252152 is 25125222.

It is a super-2 number, since 2×22252152² = 990316537262208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22288 + ... + 23264.

Almost surely, 2^22252152 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 22252152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30396240).

22252152 is an abundant number, since it is smaller than the sum of its proper divisors (38540328).

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

22252152 is a wasteful number, since it uses less digits than its factorization.

22252152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1068 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 22252152 is about 4717.2186720567. The cubic root of 22252152 is about 281.2703839053.

Adding to 22252152 its reverse (25125222), we get a palindrome (47377374).

The spelling of 22252152 in words is "twenty-two million, two hundred fifty-two thousand, one hundred fifty-two".