112216290 has 32 divisors (see below), whose sum is σ = 273343680. Its totient is φ = 29477184.

The previous prime is 112216267. The next prime is 112216339. The reversal of 112216290 is 92612211.

It is a self number, because there is not a number n which added to its sum of digits gives 112216290.

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 15 ways as a sum of consecutive naturals, for example, 25905 + ... + 29924.

It is an arithmetic number, because the mean of its divisors is an integer number (8541990).

Almost surely, 2^112216290 is an apocalyptic number.

112216290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112216290 is an abundant number, since it is smaller than the sum of its proper divisors (161127390).

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

112216290 is a wasteful number, since it uses less digits than its factorization.

112216290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55906.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 112216290 is about 10593.2190574914. The cubic root of 112216290 is about 482.3385447786.

The spelling of 112216290 in words is "one hundred twelve million, two hundred sixteen thousand, two hundred ninety".