1922942159 has 4 divisors (see below), whose sum is σ = 1923887280. Its totient is φ = 1921997040.

The previous prime is 1922942113. The next prime is 1922942213. The reversal of 1922942159 is 9512492291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1922942159 - 2⁸ = 1922941903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922941159) 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, 469502 + ... + 473579.

It is an arithmetic number, because the mean of its divisors is an integer number (480971820).

Almost surely, 2^1922942159 is an apocalyptic number.

1922942159 is a deficient number, since it is larger than the sum of its proper divisors (945121).

1922942159 is an equidigital number, since it uses as much as digits as its factorization.

1922942159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945120.

The product of its digits is 116640, while the sum is 44.

The square root of 1922942159 is about 43851.3643915443. The cubic root of 1922942159 is about 1243.5275375491.

The spelling of 1922942159 in words is "one billion, nine hundred twenty-two million, nine hundred forty-two thousand, one hundred fifty-nine".