2822817493 has 4 divisors (see below), whose sum is σ = 2858549440. Its totient is φ = 2787085548.

The previous prime is 2822817469. The next prime is 2822817521. The reversal of 2822817493 is 3947182282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2822817493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822817433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17865855 + ... + 17866012.

It is an arithmetic number, because the mean of its divisors is an integer number (714637360).

Almost surely, 2^2822817493 is an apocalyptic number.

It is an amenable number.

2822817493 is a deficient number, since it is larger than the sum of its proper divisors (35731947).

2822817493 is an equidigital number, since it uses as much as digits as its factorization.

2822817493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35731946.

The product of its digits is 387072, while the sum is 46.

The square root of 2822817493 is about 53130.1937978773. The cubic root of 2822817493 is about 1413.2780049775.

The spelling of 2822817493 in words is "two billion, eight hundred twenty-two million, eight hundred seventeen thousand, four hundred ninety-three".