1022797384 has 96 divisors (see below), whose sum is σ = 2438760960. Its totient is φ = 399168000.

The previous prime is 1022797361. The next prime is 1022797397. The reversal of 1022797384 is 4837972201.

It is a super-2 number, since 2×1022797384² = 2092228977434486912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022797384.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204109 + ... + 209059.

It is an arithmetic number, because the mean of its divisors is an integer number (25403760).

Almost surely, 2^1022797384 is an apocalyptic number.

1022797384 is a gapful number since it is divisible by the number (14) 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 1022797384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219380480).

1022797384 is an abundant number, since it is smaller than the sum of its proper divisors (1415963576).

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

1022797384 is a wasteful number, since it uses less digits than its factorization.

1022797384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1022797384 is about 31981.2036046175. The cubic root of 1022797384 is about 1007.5421016955.

The spelling of 1022797384 in words is "one billion, twenty-two million, seven hundred ninety-seven thousand, three hundred eighty-four".