822984867 has 28 divisors (see below), whose sum is σ = 1298877480. Its totient is φ = 519771168.

The previous prime is 822984859. The next prime is 822984871. The reversal of 822984867 is 768489228.

It is not a de Polignac number, because 822984867 - 2³ = 822984859 is a prime.

It is a super-2 number, since 2×822984867² = 1354608182622015378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (822984817) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 15858 + ... + 43559.

Almost surely, 2^822984867 is an apocalyptic number.

822984867 is a deficient number, since it is larger than the sum of its proper divisors (475892613).

822984867 is an equidigital number, since it uses as much as digits as its factorization.

822984867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59454 (or 59439 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 822984867 is about 28687.7128227400. The cubic root of 822984867 is about 937.1244806443.

It can be divided in two parts, 8229 and 84867, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 822984867 in words is "eight hundred twenty-two million, nine hundred eighty-four thousand, eight hundred sixty-seven".