2149445822 has 8 divisors (see below), whose sum is σ = 3328174272. Its totient is φ = 1040054400.

The previous prime is 2149445803. The next prime is 2149445873. The reversal of 2149445822 is 2285449412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2149445822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17334179 + ... + 17334302.

It is an arithmetic number, because the mean of its divisors is an integer number (416021784).

Almost surely, 2^2149445822 is an apocalyptic number.

2149445822 is a deficient number, since it is larger than the sum of its proper divisors (1178728450).

2149445822 is a wasteful number, since it uses less digits than its factorization.

2149445822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34668514.

The product of its digits is 184320, while the sum is 41.

The square root of 2149445822 is about 46362.1162372901. The cubic root of 2149445822 is about 1290.5519785908.

The spelling of 2149445822 in words is "two billion, one hundred forty-nine million, four hundred forty-five thousand, eight hundred twenty-two".