22570152 has 128 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 6241280.

The previous prime is 22570151. The next prime is 22570159. The reversal of 22570152 is 25107522.

It is a super-2 number, since 2×22570152² = 1018823522606208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22570151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210883 + ... + 210989.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 2^22570152 is an apocalyptic number.

22570152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22570152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33592320).

22570152 is an abundant number, since it is smaller than the sum of its proper divisors (44614488).

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

22570152 is a wasteful number, since it uses less digits than its factorization.

22570152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 22570152 is about 4750.8054054023. The cubic root of 22570152 is about 282.6039067481.

Adding to 22570152 its reverse (25107522), we get a palindrome (47677674).

It can be divided in two parts, 22570 and 152, that added together give a palindrome (22722).

The spelling of 22570152 in words is "twenty-two million, five hundred seventy thousand, one hundred fifty-two".