1949927422 has 4 divisors (see below), whose sum is σ = 2924891136. Its totient is φ = 974963710.

The previous prime is 1949927411. The next prime is 1949927429. The reversal of 1949927422 is 2247299491.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949927429) 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 as a sum of consecutive naturals, namely, 487481854 + ... + 487481857.

It is an arithmetic number, because the mean of its divisors is an integer number (731222784).

Almost surely, 2^1949927422 is an apocalyptic number.

1949927422 is a deficient number, since it is larger than the sum of its proper divisors (974963714).

1949927422 is an equidigital number, since it uses as much as digits as its factorization.

1949927422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974963713.

The product of its digits is 653184, while the sum is 49.

The square root of 1949927422 is about 44157.9825399667. The cubic root of 1949927422 is about 1249.3174774248.

The spelling of 1949927422 in words is "one billion, nine hundred forty-nine million, nine hundred twenty-seven thousand, four hundred twenty-two".