112221525 has 24 divisors (see below), whose sum is σ = 199813600. Its totient is φ = 55247040.

The previous prime is 112221509. The next prime is 112221541. The reversal of 112221525 is 525122211.

It is an interprime number because it is at equal distance from previous prime (112221509) and next prime (112221541).

It is not a de Polignac number, because 112221525 - 2⁴ = 112221509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56575 + ... + 58524.

Almost surely, 2^112221525 is an apocalyptic number.

112221525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112221525 is a deficient number, since it is larger than the sum of its proper divisors (87592075).

112221525 is a wasteful number, since it uses less digits than its factorization.

112221525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115125 (or 115120 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 112221525 is about 10593.4661466396. The cubic root of 112221525 is about 482.3460451840.

Adding to 112221525 its reverse (525122211), we get a palindrome (637343736).

The spelling of 112221525 in words is "one hundred twelve million, two hundred twenty-one thousand, five hundred twenty-five".