228274559 has 2 divisors, whose sum is σ = 228274560. Its totient is φ = 228274558.

The previous prime is 228274547. The next prime is 228274601. The reversal of 228274559 is 955472822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228274559 - 2²⁰ = 227225983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228274259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114137279 + 114137280.

It is an arithmetic number, because the mean of its divisors is an integer number (114137280).

Almost surely, 2^228274559 is an apocalyptic number.

228274559 is a deficient number, since it is larger than the sum of its proper divisors (1).

228274559 is an equidigital number, since it uses as much as digits as its factorization.

228274559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 44.

The square root of 228274559 is about 15108.7576921466. The cubic root of 228274559 is about 611.1565971787.

The spelling of 228274559 in words is "two hundred twenty-eight million, two hundred seventy-four thousand, five hundred fifty-nine".