22472152 has 8 divisors (see below), whose sum is σ = 42135300. Its totient is φ = 11236072.

The previous prime is 22472111. The next prime is 22472161. The reversal of 22472152 is 25127422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22472152² = 1009995231022208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404502 + ... + 1404517.

Almost surely, 2^22472152 is an apocalyptic number.

It is an amenable number.

22472152 is a deficient number, since it is larger than the sum of its proper divisors (19663148).

22472152 is a wasteful number, since it uses less digits than its factorization.

22472152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809025 (or 2809021 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 22472152 is about 4740.4801444579. The cubic root of 22472152 is about 282.1942895959.

Adding to 22472152 its reverse (25127422), we get a palindrome (47599574).

The spelling of 22472152 in words is "twenty-two million, four hundred seventy-two thousand, one hundred fifty-two".