113221390 has 16 divisors (see below), whose sum is σ = 204174432. Its totient is φ = 45205024.

The previous prime is 113221349. The next prime is 113221391. The reversal of 113221390 is 93122311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4594 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (12760902).

Almost surely, 2^113221390 is an apocalyptic number.

113221390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113221390 is a deficient number, since it is larger than the sum of its proper divisors (90953042).

113221390 is a wasteful number, since it uses less digits than its factorization.

113221390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20891.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 113221390 is about 10640.5540269292. The cubic root of 113221390 is about 483.7743381470.

It can be divided in two parts, 1132 and 21390, that added together give a palindrome (22522).

The spelling of 113221390 in words is "one hundred thirteen million, two hundred twenty-one thousand, three hundred ninety".