113422621 has 8 divisors (see below), whose sum is σ = 122367224. Its totient is φ = 104509440.

The previous prime is 113422613. The next prime is 113422627. The reversal of 113422621 is 126224311.

It can be written as a sum of positive squares in 4 ways, for example, as 16695396 + 96727225 = 4086^2 + 9835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113422621 - 2³ = 113422613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113422592 and 113422601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113422627) 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, 60 + ... + 15061.

It is an arithmetic number, because the mean of its divisors is an integer number (15295903).

Almost surely, 2^113422621 is an apocalyptic number.

It is an amenable number.

113422621 is a deficient number, since it is larger than the sum of its proper divisors (8944603).

113422621 is a wasteful number, since it uses less digits than its factorization.

113422621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711.

The product of its digits is 576, while the sum is 22.

The square root of 113422621 is about 10650.0056807497. The cubic root of 113422621 is about 484.0607762966.

Adding to 113422621 its reverse (126224311), we get a palindrome (239646932).

The spelling of 113422621 in words is "one hundred thirteen million, four hundred twenty-two thousand, six hundred twenty-one".