113223444 has 48 divisors (see below), whose sum is σ = 268758336. Its totient is φ = 37094400.

The previous prime is 113223433. The next prime is 113223491. The reversal of 113223444 is 444322311.

It is a super-2 number, since 2×113223444² = 25639096542442272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245374 + ... + 245834.

It is an arithmetic number, because the mean of its divisors is an integer number (5599132).

Almost surely, 2^113223444 is an apocalyptic number.

It is an amenable number.

113223444 is an abundant number, since it is smaller than the sum of its proper divisors (155534892).

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

113223444 is a wasteful number, since it uses less digits than its factorization.

113223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 113223444 is about 10640.6505440222. The cubic root of 113223444 is about 483.7772635850. Note that the first 3 decimals are identical.

Adding to 113223444 its reverse (444322311), we get a palindrome (557545755).

The spelling of 113223444 in words is "one hundred thirteen million, two hundred twenty-three thousand, four hundred forty-four".