1009920822 has 16 divisors (see below), whose sum is σ = 2022293952. Its totient is φ = 336231560.

The previous prime is 1009920811. The next prime is 1009920829. The reversal of 1009920822 is 2280299001.

It is a happy number.

1009920822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009920829) 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, 96804 + ... + 106727.

It is an arithmetic number, because the mean of its divisors is an integer number (126393372).

Almost surely, 2^1009920822 is an apocalyptic number.

1009920822 is an abundant number, since it is smaller than the sum of its proper divisors (1012373130).

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

1009920822 is a wasteful number, since it uses less digits than its factorization.

1009920822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204363.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1009920822 is about 31779.2514386352. The cubic root of 1009920822 is about 1003.2960646880.

The spelling of 1009920822 in words is "one billion, nine million, nine hundred twenty thousand, eight hundred twenty-two".