226623455 has 4 divisors (see below), whose sum is σ = 271948152. Its totient is φ = 181298760.

The previous prime is 226623437. The next prime is 226623457. The reversal of 226623455 is 554326622.

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

It is not a de Polignac number, because 226623455 - 2⁶ = 226623391 is a prime.

It is a super-2 number, since 2×226623455² = 102716380712274050, 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 (226623457) 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, 22662341 + ... + 22662350.

It is an arithmetic number, because the mean of its divisors is an integer number (67987038).

Almost surely, 2^226623455 is an apocalyptic number.

226623455 is a deficient number, since it is larger than the sum of its proper divisors (45324697).

226623455 is an equidigital number, since it uses as much as digits as its factorization.

226623455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45324696.

The product of its digits is 86400, while the sum is 35.

The square root of 226623455 is about 15054.0179022080. The cubic root of 226623455 is about 609.6795369508.

The spelling of 226623455 in words is "two hundred twenty-six million, six hundred twenty-three thousand, four hundred fifty-five".