226788887623 has 4 divisors (see below), whose sum is σ = 226791480960. Its totient is φ = 226786294288.

The previous prime is 226788887569. The next prime is 226788887653. The reversal of 226788887623 is 326788887622.

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 226788887623 - 2¹³ = 226788879431 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 (226788887653) 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, 1160743 + ... + 1341976.

It is an arithmetic number, because the mean of its divisors is an integer number (56697870240).

Almost surely, 2^226788887623 is an apocalyptic number.

226788887623 is a deficient number, since it is larger than the sum of its proper divisors (2593337).

226788887623 is an equidigital number, since it uses as much as digits as its factorization.

226788887623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593336.

The product of its digits is 173408256, while the sum is 67.

Subtracting 226788887623 from its reverse (326788887622), we obtain a palindrome (99999999999).

The spelling of 226788887623 in words is "two hundred twenty-six billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, six hundred twenty-three".