2288355493 has 2 divisors, whose sum is σ = 2288355494. Its totient is φ = 2288355492.

The previous prime is 2288355449. The next prime is 2288355521. The reversal of 2288355493 is 3945538822.

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., 1566734724 + 721620769 = 39582^2 + 26863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2288355493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2288355413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144177746 + 1144177747.

It is an arithmetic number, because the mean of its divisors is an integer number (1144177747).

Almost surely, 2^2288355493 is an apocalyptic number.

It is an amenable number.

2288355493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288355493 is an equidigital number, since it uses as much as digits as its factorization.

2288355493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 49.

The square root of 2288355493 is about 47836.7588053371. The cubic root of 2288355493 is about 1317.7746966250.

The spelling of 2288355493 in words is "two billion, two hundred eighty-eight million, three hundred fifty-five thousand, four hundred ninety-three".