228324297420 has 96 divisors (see below), whose sum is σ = 719334067200. Its totient is φ = 60115753152.

The previous prime is 228324297419. The next prime is 228324297433. The reversal of 228324297420 is 24792423822.

228324297420 is a `hidden beast` number, since 2 + 283 + 242 + 97 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2633434 + ... + 2718753.

It is an arithmetic number, because the mean of its divisors is an integer number (7493063200).

Almost surely, 2^228324297420 is an apocalyptic number.

228324297420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228324297420 is an abundant number, since it is smaller than the sum of its proper divisors (491009769780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228324297420 is a wasteful number, since it uses less digits than its factorization.

228324297420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352284 (or 5352276 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 228324297420 in words is "two hundred twenty-eight billion, three hundred twenty-four million, two hundred ninety-seven thousand, four hundred twenty".