226521020455 has 4 divisors (see below), whose sum is σ = 271825224552. Its totient is φ = 181216816360.

The previous prime is 226521020423. The next prime is 226521020461. The reversal of 226521020455 is 554020125622.

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

It is not a de Polignac number, because 226521020455 - 2⁵ = 226521020423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226521020455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22652102041 + ... + 22652102050.

It is an arithmetic number, because the mean of its divisors is an integer number (67956306138).

Almost surely, 2^226521020455 is an apocalyptic number.

226521020455 is a deficient number, since it is larger than the sum of its proper divisors (45304204097).

226521020455 is an equidigital number, since it uses as much as digits as its factorization.

226521020455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45304204096.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 226521020455 in words is "two hundred twenty-six billion, five hundred twenty-one million, twenty thousand, four hundred fifty-five".