118226647 has 32 divisors (see below), whose sum is σ = 155003904. Its totient is φ = 87436800.

The previous prime is 118226627. The next prime is 118226701. The reversal of 118226647 is 746622811.

It is not a de Polignac number, because 118226647 - 2⁷ = 118226519 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118226627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426673 + ... + 426949.

It is an arithmetic number, because the mean of its divisors is an integer number (4843872).

Almost surely, 2^118226647 is an apocalyptic number.

118226647 is a deficient number, since it is larger than the sum of its proper divisors (36777257).

118226647 is a wasteful number, since it uses less digits than its factorization.

118226647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its digits is 32256, while the sum is 37.

The square root of 118226647 is about 10873.2077603622. The cubic root of 118226647 is about 490.8006444127.

The spelling of 118226647 in words is "one hundred eighteen million, two hundred twenty-six thousand, six hundred forty-seven".