1649804422 has 48 divisors (see below), whose sum is σ = 2943848448. Its totient is φ = 691241040.

The previous prime is 1649804419. The next prime is 1649804441. The reversal of 1649804422 is 2244089461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882733 + ... + 884599.

It is an arithmetic number, because the mean of its divisors is an integer number (61330176).

Almost surely, 2^1649804422 is an apocalyptic number.

1649804422 is a deficient number, since it is larger than the sum of its proper divisors (1294044026).

1649804422 is a wasteful number, since it uses less digits than its factorization.

1649804422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 1649804422 is about 40617.7845530748. The cubic root of 1649804422 is about 1181.6190601734.

The spelling of 1649804422 in words is "one billion, six hundred forty-nine million, eight hundred four thousand, four hundred twenty-two".