228410496421 has 4 divisors (see below), whose sum is σ = 228467304844. Its totient is φ = 228353688000.

The previous prime is 228410496373. The next prime is 228410496443. The reversal of 228410496421 is 124694014822.

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 73162676196 + 155247820225 = 270486^2 + 394015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228410496421 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 (228410496491) 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, 28398180 + ... + 28406221.

It is an arithmetic number, because the mean of its divisors is an integer number (57116826211).

Almost surely, 2^228410496421 is an apocalyptic number.

It is an amenable number.

228410496421 is a deficient number, since it is larger than the sum of its proper divisors (56808423).

228410496421 is an equidigital number, since it uses as much as digits as its factorization.

228410496421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56808422.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 228410496421 in words is "two hundred twenty-eight billion, four hundred ten million, four hundred ninety-six thousand, four hundred twenty-one".