113221522 has 4 divisors (see below), whose sum is σ = 169832286. Its totient is φ = 56610760.

The previous prime is 113221519. The next prime is 113221561. The reversal of 113221522 is 225122311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225122311 = 83 ⋅2712317.

It can be written as a sum of positive squares in only one way, i.e., 78163281 + 35058241 = 8841^2 + 5921^2 .

It is a super-2 number, since 2×113221522² = 25638226087992968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113221522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28305379 + ... + 28305382.

Almost surely, 2^113221522 is an apocalyptic number.

113221522 is a deficient number, since it is larger than the sum of its proper divisors (56610764).

113221522 is an equidigital number, since it uses as much as digits as its factorization.

113221522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56610763.

The product of its digits is 240, while the sum is 19.

The square root of 113221522 is about 10640.5602296120. The cubic root of 113221522 is about 483.7745261509.

Adding to 113221522 its reverse (225122311), we get a palindrome (338343833).

The spelling of 113221522 in words is "one hundred thirteen million, two hundred twenty-one thousand, five hundred twenty-two".