228652665 has 8 divisors (see below), whose sum is σ = 365844288. Its totient is φ = 121948080.

The previous prime is 228652661. The next prime is 228652667. The reversal of 228652665 is 566256822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228652665 - 2² = 228652661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228652661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7621741 + ... + 7621770.

It is an arithmetic number, because the mean of its divisors is an integer number (45730536).

Almost surely, 2^228652665 is an apocalyptic number.

It is an amenable number.

228652665 is a deficient number, since it is larger than the sum of its proper divisors (137191623).

228652665 is a wasteful number, since it uses less digits than its factorization.

228652665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15243519.

The product of its digits is 345600, while the sum is 42.

The square root of 228652665 is about 15121.2653240395. The cubic root of 228652665 is about 611.4938438540.

It can be divided in two parts, 2286526 and 65, that added together give a triangular number (2286591 = T₂₁₃₈).

The spelling of 228652665 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, six hundred sixty-five".