2001792222 has 24 divisors (see below), whose sum is σ = 4486776840. Its totient is φ = 644254800.

The previous prime is 2001792217. The next prime is 2001792229. The reversal of 2001792222 is 2222971002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001792229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1916904 + ... + 1917947.

It is an arithmetic number, because the mean of its divisors is an integer number (186949035).

Almost surely, 2^2001792222 is an apocalyptic number.

2001792222 is an abundant number, since it is smaller than the sum of its proper divisors (2484984618).

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

2001792222 is a wasteful number, since it uses less digits than its factorization.

2001792222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834888 (or 3834885 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2001792222 is about 44741.3927141299. The cubic root of 2001792222 is about 1260.2972805731.

The spelling of 2001792222 in words is "two billion, one million, seven hundred ninety-two thousand, two hundred twenty-two".