4991805422 has 24 divisors (see below), whose sum is σ = 7743153096. Its totient is φ = 2413189808.

The previous prime is 4991805407. The next prime is 4991805431. The reversal of 4991805422 is 2245081994.

It is a super-2 number, since 2×4991805422² = 49836242742217196168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359888 + ... + 373500.

It is an arithmetic number, because the mean of its divisors is an integer number (322631379).

Almost surely, 2^4991805422 is an apocalyptic number.

4991805422 is a deficient number, since it is larger than the sum of its proper divisors (2751347674).

4991805422 is a wasteful number, since it uses less digits than its factorization.

4991805422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792 (or 13745 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 4991805422 is about 70652.7099409499. The cubic root of 4991805422 is about 1709.0412671187.

The spelling of 4991805422 in words is "four billion, nine hundred ninety-one million, eight hundred five thousand, four hundred twenty-two".