1922987382 has 32 divisors (see below), whose sum is σ = 3877466112. Its totient is φ = 635765664.

The previous prime is 1922987327. The next prime is 1922987387. The reversal of 1922987382 is 2837892291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922987387) 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 15 ways as a sum of consecutive naturals, for example, 482763 + ... + 486729.

It is an arithmetic number, because the mean of its divisors is an integer number (121170816).

Almost surely, 2^1922987382 is an apocalyptic number.

1922987382 is an abundant number, since it is smaller than the sum of its proper divisors (1954478730).

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

1922987382 is a wasteful number, since it uses less digits than its factorization.

1922987382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612.

The product of its digits is 870912, while the sum is 51.

The square root of 1922987382 is about 43851.8800281128. The cubic root of 1922987382 is about 1243.5372857371.

The spelling of 1922987382 in words is "one billion, nine hundred twenty-two million, nine hundred eighty-seven thousand, three hundred eighty-two".