112222140 has 24 divisors (see below), whose sum is σ = 314222160. Its totient is φ = 29925888.

The previous prime is 112222133. The next prime is 112222171. The reversal of 112222140 is 41222211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935125 + ... + 935244.

It is an arithmetic number, because the mean of its divisors is an integer number (13092590).

Almost surely, 2^112222140 is an apocalyptic number.

112222140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222140 is an abundant number, since it is smaller than the sum of its proper divisors (202000020).

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

112222140 is a wasteful number, since it uses less digits than its factorization.

112222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870381 (or 1870379 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 112222140 is about 10593.4951739263. The cubic root of 112222140 is about 482.3469263052.

Adding to 112222140 its reverse (41222211), we get a palindrome (153444351).

The spelling of 112222140 in words is "one hundred twelve million, two hundred twenty-two thousand, one hundred forty".