2019391022 has 48 divisors (see below), whose sum is σ = 3516307200. Its totient is φ = 866725200.

The previous prime is 2019390979. The next prime is 2019391039. The reversal of 2019391022 is 2201939102.

It is a congruent number.

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, 1981229 + ... + 1982247.

It is an arithmetic number, because the mean of its divisors is an integer number (73256400).

Almost surely, 2^2019391022 is an apocalyptic number.

2019391022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2019391022 is a deficient number, since it is larger than the sum of its proper divisors (1496916178).

2019391022 is a wasteful number, since it uses less digits than its factorization.

2019391022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2019391022 is about 44937.6348064737. The cubic root of 2019391022 is about 1263.9798202027.

The spelling of 2019391022 in words is "two billion, nineteen million, three hundred ninety-one thousand, twenty-two".