252228069233 has 18 divisors (see below), whose sum is σ = 310685320278. Its totient is φ = 203466412800.

The previous prime is 252228069217. The next prime is 252228069251. The reversal of 252228069233 is 332960822252.

It can be written as a sum of positive squares in 3 ways, for example, as 87443221264 + 164784847969 = 295708^2 + 405937^2 .

It is not a de Polignac number, because 252228069233 - 2⁴ = 252228069217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252228069133) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14486333 + ... + 14503733.

It is an arithmetic number, because the mean of its divisors is an integer number (17260295571).

Almost surely, 2^252228069233 is an apocalyptic number.

It is an amenable number.

252228069233 is a deficient number, since it is larger than the sum of its proper divisors (58457251045).

252228069233 is an frugal number, since it uses more digits than its factorization.

252228069233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34833 (or 17425 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 252228069233 in words is "two hundred fifty-two billion, two hundred twenty-eight million, sixty-nine thousand, two hundred thirty-three".