228371090737 has 2 divisors, whose sum is σ = 228371090738. Its totient is φ = 228371090736.

The previous prime is 228371090681. The next prime is 228371090743. The reversal of 228371090737 is 737090173822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199479250161 + 28891840576 = 446631^2 + 169976^2 .

It is a cyclic number.

It is not a de Polignac number, because 228371090737 - 2²³ = 228362702129 is a prime.

It is a super-3 number, since 3×228371090737³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (228371090747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114185545368 + 114185545369.

It is an arithmetic number, because the mean of its divisors is an integer number (114185545369).

Almost surely, 2^228371090737 is an apocalyptic number.

It is an amenable number.

228371090737 is a deficient number, since it is larger than the sum of its proper divisors (1).

228371090737 is an equidigital number, since it uses as much as digits as its factorization.

228371090737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 228371090737 in words is "two hundred twenty-eight billion, three hundred seventy-one million, ninety thousand, seven hundred thirty-seven".