228242763 has 48 divisors (see below), whose sum is σ = 405150720. Its totient is φ = 120901248.

The previous prime is 228242759. The next prime is 228242797. The reversal of 228242763 is 367242822.

It is a happy number.

228242763 is a `hidden beast` number, since 228 + 2 + 427 + 6 + 3 = 666.

It is not a de Polignac number, because 228242763 - 2² = 228242759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228242713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54231 + ... + 58287.

It is an arithmetic number, because the mean of its divisors is an integer number (8440640).

Almost surely, 2^228242763 is an apocalyptic number.

228242763 is a deficient number, since it is larger than the sum of its proper divisors (176907957).

228242763 is a wasteful number, since it uses less digits than its factorization.

228242763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4133 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 228242763 is about 15107.7054180971. The cubic root of 228242763 is about 611.1282201846.

The spelling of 228242763 in words is "two hundred twenty-eight million, two hundred forty-two thousand, seven hundred sixty-three".