352226553281 has 2 divisors, whose sum is σ = 352226553282. Its totient is φ = 352226553280.

The previous prime is 352226553271. The next prime is 352226553361. The reversal of 352226553281 is 182355622253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352200706225 + 25847056 = 593465^2 + 5084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352226553281 is a prime.

It is a super-2 number, since 2×352226553281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (352226553271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176113276640 + 176113276641.

It is an arithmetic number, because the mean of its divisors is an integer number (176113276641).

Almost surely, 2^352226553281 is an apocalyptic number.

It is an amenable number.

352226553281 is a deficient number, since it is larger than the sum of its proper divisors (1).

352226553281 is an equidigital number, since it uses as much as digits as its factorization.

352226553281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 44.

The spelling of 352226553281 in words is "three hundred fifty-two billion, two hundred twenty-six million, five hundred fifty-three thousand, two hundred eighty-one".