228975556425 has 192 divisors, whose sum is σ = 518435389440. Its totient is φ = 86229792000.

The previous prime is 228975556423. The next prime is 228975556451. The reversal of 228975556425 is 524655579822.

It is not a de Polignac number, because 228975556425 - 2¹ = 228975556423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228975556421) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2478310 + ... + 2569040.

It is an arithmetic number, because the mean of its divisors is an integer number (2700184320).

Almost surely, 2^228975556425 is an apocalyptic number.

228975556425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228975556425 is an abundant number, since it is smaller than the sum of its proper divisors (289459833015).

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

228975556425 is a wasteful number, since it uses less digits than its factorization.

228975556425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90804 (or 90799 counting only the distinct ones).

The product of its digits is 60480000, while the sum is 60.

The spelling of 228975556425 in words is "two hundred twenty-eight billion, nine hundred seventy-five million, five hundred fifty-six thousand, four hundred twenty-five".