226455287 has 4 divisors (see below), whose sum is σ = 234264120. Its totient is φ = 218646456.

The previous prime is 226455247. The next prime is 226455301. The reversal of 226455287 is 782554622.

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

It is a cyclic number.

It is not a de Polignac number, because 226455287 - 2⁶ = 226455223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226455247) 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, 3904373 + ... + 3904430.

It is an arithmetic number, because the mean of its divisors is an integer number (58566030).

Almost surely, 2^226455287 is an apocalyptic number.

226455287 is a deficient number, since it is larger than the sum of its proper divisors (7808833).

226455287 is an equidigital number, since it uses as much as digits as its factorization.

226455287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808832.

The product of its digits is 268800, while the sum is 41.

The square root of 226455287 is about 15048.4313800476. The cubic root of 226455287 is about 609.5286935476.

The spelling of 226455287 in words is "two hundred twenty-six million, four hundred fifty-five thousand, two hundred eighty-seven".