113222665 has 8 divisors (see below), whose sum is σ = 136437120. Its totient is φ = 90198192.

The previous prime is 113222663. The next prime is 113222677. The reversal of 113222665 is 566222311.

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 113222665 - 2¹ = 113222663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113222663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46179 + ... + 48568.

It is an arithmetic number, because the mean of its divisors is an integer number (17054640).

Almost surely, 2^113222665 is an apocalyptic number.

It is an amenable number.

113222665 is a deficient number, since it is larger than the sum of its proper divisors (23214455).

113222665 is an equidigital number, since it uses as much as digits as its factorization.

113222665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94991.

The product of its digits is 4320, while the sum is 28.

The square root of 113222665 is about 10640.6139390545. The cubic root of 113222665 is about 483.7761540876.

Adding to 113222665 its reverse (566222311), we get a palindrome (679444976).

It can be divided in two parts, 113 and 222665, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 113222665 in words is "one hundred thirteen million, two hundred twenty-two thousand, six hundred sixty-five".