113742228 has 24 divisors (see below), whose sum is σ = 266344288. Its totient is φ = 37778976.

The previous prime is 113742203. The next prime is 113742229. The reversal of 113742228 is 822247311.

It is a junction number, because it is equal to n+sod(n) for n = 113742195 and 113742204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113742229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13351 + ... + 20142.

Almost surely, 2^113742228 is an apocalyptic number.

It is an amenable number.

113742228 is an abundant number, since it is smaller than the sum of its proper divisors (152602060).

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

113742228 is a wasteful number, since it uses less digits than its factorization.

113742228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33783 (or 33781 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 113742228 is about 10665.0001406470. Note that the first 3 decimals coincide. The cubic root of 113742228 is about 484.5150187951.

Adding to 113742228 its reverse (822247311), we get a palindrome (935989539).

It can be divided in two parts, 1137 and 42228, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 113742228 in words is "one hundred thirteen million, seven hundred forty-two thousand, two hundred twenty-eight".