228266655 has 16 divisors (see below), whose sum is σ = 370679424. Its totient is φ = 119924640.

The previous prime is 228266641. The next prime is 228266669. The reversal of 228266655 is 556662822.

It is an interprime number because it is at equal distance from previous prime (228266641) and next prime (228266669).

It is not a de Polignac number, because 228266655 - 2⁷ = 228266527 is a prime.

It is a congruent number.

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, 112561 + ... + 114570.

It is an arithmetic number, because the mean of its divisors is an integer number (23167464).

Almost surely, 2^228266655 is an apocalyptic number.

228266655 is a deficient number, since it is larger than the sum of its proper divisors (142412769).

228266655 is a wasteful number, since it uses less digits than its factorization.

228266655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227206.

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

The square root of 228266655 is about 15108.4961197334. The cubic root of 228266655 is about 611.1495433375.

The spelling of 228266655 in words is "two hundred twenty-eight million, two hundred sixty-six thousand, six hundred fifty-five".