228006825 has 12 divisors (see below), whose sum is σ = 376971408. Its totient is φ = 121603600.

The previous prime is 228006817. The next prime is 228006833. The reversal of 228006825 is 528600822.

It is an interprime number because it is at equal distance from previous prime (228006817) and next prime (228006833).

It is not a de Polignac number, because 228006825 - 2³ = 228006817 is a prime.

It is a super-2 number, since 2×228006825² = 103974224493161250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1519971 + ... + 1520120.

It is an arithmetic number, because the mean of its divisors is an integer number (31414284).

Almost surely, 2^228006825 is an apocalyptic number.

228006825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228006825 is a deficient number, since it is larger than the sum of its proper divisors (148964583).

228006825 is a wasteful number, since it uses less digits than its factorization.

228006825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040104 (or 3040099 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 228006825 is about 15099.8948671837. The cubic root of 228006825 is about 610.9175700857.

The spelling of 228006825 in words is "two hundred twenty-eight million, six thousand, eight hundred twenty-five".