228282715 has 16 divisors (see below), whose sum is σ = 290900160. Its totient is φ = 171381760.

The previous prime is 228282709. The next prime is 228282721. The reversal of 228282715 is 517282822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228282709) and next prime (228282721).

It is not a de Polignac number, because 228282715 - 2³ = 228282707 is a prime.

It is a super-2 number, since 2×228282715² = 104225995935542450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26775 + ... + 34255.

It is an arithmetic number, because the mean of its divisors is an integer number (18181260).

Almost surely, 2^228282715 is an apocalyptic number.

228282715 is a deficient number, since it is larger than the sum of its proper divisors (62617445).

228282715 is a wasteful number, since it uses less digits than its factorization.

228282715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862.

The product of its digits is 35840, while the sum is 37.

The square root of 228282715 is about 15109.0275994188. The cubic root of 228282715 is about 611.1638757440.

The spelling of 228282715 in words is "two hundred twenty-eight million, two hundred eighty-two thousand, seven hundred fifteen".