1822804992 has 88 divisors (see below), whose sum is σ = 5398348400. Its totient is φ = 607592448.

The previous prime is 1822804987. The next prime is 1822805041. The reversal of 1822804992 is 2994082281.

It is a happy number.

1822804992 is a `hidden beast` number, since 1 + 82 + 2 + 80 + 499 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317 + ... + 60612.

Almost surely, 2^1822804992 is an apocalyptic number.

1822804992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1822804992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2699174200).

1822804992 is an abundant number, since it is smaller than the sum of its proper divisors (3575543408).

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

1822804992 is an equidigital number, since it uses as much as digits as its factorization.

1822804992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65958 (or 65934 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1822804992 is about 42694.3203716841. The cubic root of 1822804992 is about 1221.5560615814.

The spelling of 1822804992 in words is "one billion, eight hundred twenty-two million, eight hundred four thousand, nine hundred ninety-two".