822429898 has 4 divisors (see below), whose sum is σ = 1233644850. Its totient is φ = 411214948.

The previous prime is 822429889. The next prime is 822429901. The reversal of 822429898 is 898924228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 560410929 + 262018969 = 23673^2 + 16187^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205607473 + ... + 205607476.

Almost surely, 2^822429898 is an apocalyptic number.

822429898 is a deficient number, since it is larger than the sum of its proper divisors (411214952).

822429898 is a wasteful number, since it uses less digits than its factorization.

822429898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411214951.

The product of its digits is 1327104, while the sum is 52.

The square root of 822429898 is about 28678.0386009922. The cubic root of 822429898 is about 936.9137874297.

The spelling of 822429898 in words is "eight hundred twenty-two million, four hundred twenty-nine thousand, eight hundred ninety-eight".