226603623 has 4 divisors (see below), whose sum is σ = 302138168. Its totient is φ = 151069080.

The previous prime is 226603609. The next prime is 226603627. The reversal of 226603623 is 326306622.

226603623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-226603623 is a prime.

It is a super-2 number, since 2×226603623² = 102698403913452258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226603627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37767268 + ... + 37767273.

It is an arithmetic number, because the mean of its divisors is an integer number (75534542).

Almost surely, 2^226603623 is an apocalyptic number.

226603623 is a deficient number, since it is larger than the sum of its proper divisors (75534545).

226603623 is an equidigital number, since it uses as much as digits as its factorization.

226603623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75534544.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 226603623 is about 15053.3591932166. The cubic root of 226603623 is about 609.6617519172.

The spelling of 226603623 in words is "two hundred twenty-six million, six hundred three thousand, six hundred twenty-three".