252224112 has 40 divisors (see below), whose sum is σ = 744662656. Its totient is φ = 72063936.

The previous prime is 252224083. The next prime is 252224117. The reversal of 252224112 is 211422252.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252224117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374998 + ... + 375669.

Almost surely, 2^252224112 is an apocalyptic number.

It is an amenable number.

252224112 is an abundant number, since it is smaller than the sum of its proper divisors (492438544).

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

252224112 is a wasteful number, since it uses less digits than its factorization.

252224112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750685 (or 750679 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 252224112 is about 15881.5651621621. The cubic root of 252224112 is about 631.8231492565.

Adding to 252224112 its reverse (211422252), we get a palindrome (463646364).

The spelling of 252224112 in words is "two hundred fifty-two million, two hundred twenty-four thousand, one hundred twelve".