822984874 has 8 divisors (see below), whose sum is σ = 1241613540. Its totient is φ = 409113696.

The previous prime is 822984871. The next prime is 822984913. The reversal of 822984874 is 478489228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 768121225 + 54863649 = 27715^2 + 7407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (822984871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188939 + ... + 1189630.

Almost surely, 2^822984874 is an apocalyptic number.

822984874 is a deficient number, since it is larger than the sum of its proper divisors (418628666).

822984874 is a wasteful number, since it uses less digits than its factorization.

822984874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378744.

The product of its digits is 2064384, while the sum is 52.

The square root of 822984874 is about 28687.7129447434. The cubic root of 822984874 is about 937.1244833013.

The spelling of 822984874 in words is "eight hundred twenty-two million, nine hundred eighty-four thousand, eight hundred seventy-four".