113221402 has 16 divisors (see below), whose sum is σ = 198224640. Its totient is φ = 47490768.

The previous prime is 113221397. The next prime is 113221417. The reversal of 113221402 is 204122311.

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, 85377 + ... + 86692.

It is an arithmetic number, because the mean of its divisors is an integer number (12389040).

Almost surely, 2^113221402 is an apocalyptic number.

113221402 is a deficient number, since it is larger than the sum of its proper divisors (85003238).

113221402 is a wasteful number, since it uses less digits than its factorization.

113221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172125.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 113221402 is about 10640.5545908096. The cubic root of 113221402 is about 483.7743552383.

Adding to 113221402 its reverse (204122311), we get a palindrome (317343713).

Subtracting 113221402 from its reverse (204122311), we obtain a palindrome (90900909).

The spelling of 113221402 in words is "one hundred thirteen million, two hundred twenty-one thousand, four hundred two".