1939666922 has 8 divisors (see below), whose sum is σ = 2935248516. Its totient is φ = 961250752.

The previous prime is 1939666921. The next prime is 1939666933. The reversal of 1939666922 is 2296669391.

It can be written as a sum of positive squares in 2 ways, for example, as 1831069681 + 108597241 = 42791^2 + 10421^2 .

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

It is a super-3 number, since 3×1939666922³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1939666921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4291073 + ... + 4291524.

Almost surely, 2^1939666922 is an apocalyptic number.

1939666922 is a deficient number, since it is larger than the sum of its proper divisors (995581594).

1939666922 is a wasteful number, since it uses less digits than its factorization.

1939666922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8582712.

The product of its digits is 1889568, while the sum is 53.

The square root of 1939666922 is about 44041.6498555629. The cubic root of 1939666922 is about 1247.1223236267.

The spelling of 1939666922 in words is "one billion, nine hundred thirty-nine million, six hundred sixty-six thousand, nine hundred twenty-two".