113220424 has 8 divisors (see below), whose sum is σ = 212288310. Its totient is φ = 56610208.

The previous prime is 113220409. The next prime is 113220427. The reversal of 113220424 is 424022311.

It can be written as a sum of positive squares in only one way, i.e., 110628324 + 2592100 = 10518^2 + 1610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (113220427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7076269 + ... + 7076284.

Almost surely, 2^113220424 is an apocalyptic number.

It is an amenable number.

113220424 is a deficient number, since it is larger than the sum of its proper divisors (99067886).

113220424 is a wasteful number, since it uses less digits than its factorization.

113220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152559 (or 14152555 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 113220424 is about 10640.5086344592. The cubic root of 113220424 is about 483.7729622959.

Adding to 113220424 its reverse (424022311), we get a palindrome (537242735).

The spelling of 113220424 in words is "one hundred thirteen million, two hundred twenty thousand, four hundred twenty-four".