228373337 has 2 divisors, whose sum is σ = 228373338. Its totient is φ = 228373336.

The previous prime is 228373333. The next prime is 228373349. The reversal of 228373337 is 733373822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123187801 + 105185536 = 11099^2 + 10256^2 .

It is a cyclic number.

It is not a de Polignac number, because 228373337 - 2² = 228373333 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228373337.

It is not a weakly prime, because it can be changed into another prime (228373333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114186668 + 114186669.

It is an arithmetic number, because the mean of its divisors is an integer number (114186669).

Almost surely, 2^228373337 is an apocalyptic number.

It is an amenable number.

228373337 is a deficient number, since it is larger than the sum of its proper divisors (1).

228373337 is an equidigital number, since it uses as much as digits as its factorization.

228373337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 38.

The square root of 228373337 is about 15112.0262374044. The cubic root of 228373337 is about 611.2447368313.

The spelling of 228373337 in words is "two hundred twenty-eight million, three hundred seventy-three thousand, three hundred thirty-seven".