112221840 has 40 divisors (see below), whose sum is σ = 347888448. Its totient is φ = 29925760.

The previous prime is 112221833. The next prime is 112221869. The reversal of 112221840 is 48122211.

It is a tau number, because it is divible by the number of its divisors (40).

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, 233556 + ... + 234035.

Almost surely, 2^112221840 is an apocalyptic number.

112221840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221840 is an abundant number, since it is smaller than the sum of its proper divisors (235666608).

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

112221840 is a wasteful number, since it uses less digits than its factorization.

112221840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467607 (or 467601 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 112221840 is about 10593.4810142842. The cubic root of 112221840 is about 482.3464964904.

The spelling of 112221840 in words is "one hundred twelve million, two hundred twenty-one thousand, eight hundred forty".