228743347822 has 32 divisors (see below), whose sum is σ = 378587621088. Its totient is φ = 102788400000.

The previous prime is 228743347783. The next prime is 228743347837.

228743347822 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 228743347822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390872 + ... + 1546612.

It is an arithmetic number, because the mean of its divisors is an integer number (11830863159).

Almost surely, 2^228743347822 is an apocalyptic number.

228743347822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228743347822 is a deficient number, since it is larger than the sum of its proper divisors (149844273266).

228743347822 is a wasteful number, since it uses less digits than its factorization.

228743347822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156516.

The product of its digits is 7225344, while the sum is 52.

The spelling of 228743347822 in words is "two hundred twenty-eight billion, seven hundred forty-three million, three hundred forty-seven thousand, eight hundred twenty-two".