822201493 has 16 divisors (see below), whose sum is σ = 878015232. Its totient is φ = 768240000.

The previous prime is 822201487. The next prime is 822201511. The reversal of 822201493 is 394102228.

It is a cyclic number.

It is not a de Polignac number, because 822201493 - 2¹⁷ = 822070421 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 (822201473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209913 + ... + 213793.

It is an arithmetic number, because the mean of its divisors is an integer number (54875952).

Almost surely, 2^822201493 is an apocalyptic number.

It is an amenable number.

822201493 is a deficient number, since it is larger than the sum of its proper divisors (55813739).

822201493 is a wasteful number, since it uses less digits than its factorization.

822201493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 822201493 is about 28674.0560960601. The cubic root of 822201493 is about 936.8270462548.

The spelling of 822201493 in words is "eight hundred twenty-two million, two hundred one thousand, four hundred ninety-three".