228790227 has 4 divisors (see below), whose sum is σ = 305053640. Its totient is φ = 152526816.

The previous prime is 228790213. The next prime is 228790273. The reversal of 228790227 is 722097822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 228790227 - 2¹⁴ = 228773843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228790297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38131702 + ... + 38131707.

It is an arithmetic number, because the mean of its divisors is an integer number (76263410).

Almost surely, 2^228790227 is an apocalyptic number.

228790227 is a deficient number, since it is larger than the sum of its proper divisors (76263413).

228790227 is an equidigital number, since it uses as much as digits as its factorization.

228790227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76263412.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 228790227 is about 15125.8132673916. The cubic root of 228790227 is about 611.6164482312.

The spelling of 228790227 in words is "two hundred twenty-eight million, seven hundred ninety thousand, two hundred twenty-seven".