228747135 has 16 divisors (see below), whose sum is σ = 375888096. Its totient is φ = 118700928.

The previous prime is 228747097. The next prime is 228747173. The reversal of 228747135 is 531747822.

It is an interprime number because it is at equal distance from previous prime (228747097) and next prime (228747173).

It is not a de Polignac number, because 228747135 - 2⁷ = 228747007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228747093 and 228747102.

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, 205524 + ... + 206633.

It is an arithmetic number, because the mean of its divisors is an integer number (23493006).

Almost surely, 2^228747135 is an apocalyptic number.

228747135 is a deficient number, since it is larger than the sum of its proper divisors (147140961).

228747135 is a wasteful number, since it uses less digits than its factorization.

228747135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412202.

The product of its digits is 94080, while the sum is 39.

The square root of 228747135 is about 15124.3887479792. The cubic root of 228747135 is about 611.5780470704.

The spelling of 228747135 in words is "two hundred twenty-eight million, seven hundred forty-seven thousand, one hundred thirty-five".