1906822422 has 12 divisors (see below), whose sum is σ = 4131448620. Its totient is φ = 635607468.

The previous prime is 1906822409. The next prime is 1906822453. The reversal of 1906822422 is 2242286091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52967272 + ... + 52967307.

It is an arithmetic number, because the mean of its divisors is an integer number (344287385).

Almost surely, 2^1906822422 is an apocalyptic number.

1906822422 is an abundant number, since it is smaller than the sum of its proper divisors (2224626198).

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

1906822422 is a wasteful number, since it uses less digits than its factorization.

1906822422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105934587 (or 105934584 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1906822422 is about 43667.1778570587. The cubic root of 1906822422 is about 1240.0430140299.

The spelling of 1906822422 in words is "one billion, nine hundred six million, eight hundred twenty-two thousand, four hundred twenty-two".