228650715 has 32 divisors (see below), whose sum is σ = 407139840. Its totient is φ = 121752288.

The previous prime is 228650707. The next prime is 228650729. The reversal of 228650715 is 517056822.

It is a happy number.

It is not a de Polignac number, because 228650715 - 2³ = 228650707 is a prime.

It is a super-2 number, since 2×228650715² = 104562298940022450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228650715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131844 + ... + 133566.

It is an arithmetic number, because the mean of its divisors is an integer number (12723120).

Almost surely, 2^228650715 is an apocalyptic number.

228650715 is a deficient number, since it is larger than the sum of its proper divisors (178489125).

228650715 is a wasteful number, since it uses less digits than its factorization.

228650715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 228650715 is about 15121.2008451710. The cubic root of 228650715 is about 611.4921055313.

The spelling of 228650715 in words is "two hundred twenty-eight million, six hundred fifty thousand, seven hundred fifteen".