228536583025 has 27 divisors (see below), whose sum is σ = 296313446401. Its totient is φ = 174838099040.

The previous prime is 228536582999. The next prime is 228536583061. The reversal of 228536583025 is 520385635822.

The square root of 228536583025 is 478055.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7869641521 + 220666941504 = 88711^2 + 469752^2 .

It is not a de Polignac number, because 228536583025 - 2⁵ = 228536582993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228536583025.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 54974247 + ... + 54978403.

Almost surely, 2^228536583025 is an apocalyptic number.

228536583025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228536583025 is the 478055-th square number.

228536583025 is the 239028-th centered octagonal number.

It is an amenable number.

228536583025 is a deficient number, since it is larger than the sum of its proper divisors (67776863376).

228536583025 is an frugal number, since it uses more digits than its factorization.

228536583025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370 (or 4185 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

Multiplying 228536583025 by its sum of digits (49), we get a square (11198292568225 = 3346385²).

The spelling of 228536583025 in words is "two hundred twenty-eight billion, five hundred thirty-six million, five hundred eighty-three thousand, twenty-five".