113201226 has 20 divisors (see below), whose sum is σ = 253654962. Its totient is φ = 37733688.

The previous prime is 113201219. The next prime is 113201237. The reversal of 113201226 is 622102311.

It can be written as a sum of positive squares in only one way, i.e., 85100625 + 28100601 = 9225^2 + 5301^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113201199 and 113201208.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 349225 + ... + 349548.

Almost surely, 2^113201226 is an apocalyptic number.

113201226 is an abundant number, since it is smaller than the sum of its proper divisors (140453736).

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

113201226 is an equidigital number, since it uses as much as digits as its factorization.

113201226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698787 (or 698778 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 113201226 is about 10639.6064776852. The cubic root of 113201226 is about 483.7456174112.

Adding to 113201226 its reverse (622102311), we get a palindrome (735303537).

The spelling of 113201226 in words is "one hundred thirteen million, two hundred one thousand, two hundred twenty-six".