822419898 has 16 divisors (see below), whose sum is σ = 1667372736. Its totient is φ = 270384480.

The previous prime is 822419893. The next prime is 822419929. The reversal of 822419898 is 898914228.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 822419898.

It is not an unprimeable number, because it can be changed into a prime (822419891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938398 + ... + 939273.

It is an arithmetic number, because the mean of its divisors is an integer number (104210796).

Almost surely, 2^822419898 is an apocalyptic number.

822419898 is an abundant number, since it is smaller than the sum of its proper divisors (844952838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822419898 is a wasteful number, since it uses less digits than its factorization.

822419898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877749.

The product of its digits is 663552, while the sum is 51.

The square root of 822419898 is about 28677.8642510212. The cubic root of 822419898 is about 936.9099900743.

The spelling of 822419898 in words is "eight hundred twenty-two million, four hundred nineteen thousand, eight hundred ninety-eight".