112221252 has 72 divisors (see below), whose sum is σ = 333278400. Its totient is φ = 31389120.

The previous prime is 112221227. The next prime is 112221283. The reversal of 112221252 is 252122211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5752 + ... + 16047.

Almost surely, 2^112221252 is an apocalyptic number.

112221252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112221252 is an abundant number, since it is smaller than the sum of its proper divisors (221057148).

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

112221252 is a wasteful number, since it uses less digits than its factorization.

112221252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21833 (or 21828 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 112221252 is about 10593.4532613308. The cubic root of 112221252 is about 482.3456540512.

Adding to 112221252 its reverse (252122211), we get a palindrome (364343463).

The spelling of 112221252 in words is "one hundred twelve million, two hundred twenty-one thousand, two hundred fifty-two".