228334427 has 2 divisors, whose sum is σ = 228334428. Its totient is φ = 228334426.

The previous prime is 228334423. The next prime is 228334433. The reversal of 228334427 is 724433822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228334427 - 2² = 228334423 is a prime.

It is a super-2 number, since 2×228334427² = 104273221106836658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228334423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114167213 + 114167214.

It is an arithmetic number, because the mean of its divisors is an integer number (114167214).

Almost surely, 2^228334427 is an apocalyptic number.

228334427 is a deficient number, since it is larger than the sum of its proper divisors (1).

228334427 is an equidigital number, since it uses as much as digits as its factorization.

228334427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 228334427 is about 15110.7387972925. The cubic root of 228334427 is about 611.2100204558.

The spelling of 228334427 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, four hundred twenty-seven".