112212290 has 32 divisors (see below), whose sum is σ = 213624000. Its totient is φ = 42320448.

The previous prime is 112212283. The next prime is 112212299. The reversal of 112212290 is 92212211.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112212299) by changing a digit.

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, 42221 + ... + 44799.

It is an arithmetic number, because the mean of its divisors is an integer number (6675750).

Almost surely, 2^112212290 is an apocalyptic number.

112212290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112212290 is a deficient number, since it is larger than the sum of its proper divisors (101411710).

112212290 is a wasteful number, since it uses less digits than its factorization.

112212290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 112212290 is about 10593.0302557861. The cubic root of 112212290 is about 482.3328136526.

The spelling of 112212290 in words is "one hundred twelve million, two hundred twelve thousand, two hundred ninety".