228922641293 has 4 divisors (see below), whose sum is σ = 228931287900. Its totient is φ = 228913994688.

The previous prime is 228922641271. The next prime is 228922641319. The reversal of 228922641293 is 392146229822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99712587529 + 129210053764 = 315773^2 + 359458^2 .

It is a cyclic number.

It is not a de Polignac number, because 228922641293 - 2³² = 224627673997 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 (228922640293) 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, 4283468 + ... + 4336581.

It is an arithmetic number, because the mean of its divisors is an integer number (57232821975).

Almost surely, 2^228922641293 is an apocalyptic number.

It is an amenable number.

228922641293 is a deficient number, since it is larger than the sum of its proper divisors (8646607).

228922641293 is an equidigital number, since it uses as much as digits as its factorization.

228922641293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646606.

The product of its digits is 1492992, while the sum is 50.

The spelling of 228922641293 in words is "two hundred twenty-eight billion, nine hundred twenty-two million, six hundred forty-one thousand, two hundred ninety-three".