4891022112 has 24 divisors (see below), whose sum is σ = 12838933296. Its totient is φ = 1630340672.

The previous prime is 4891022069. The next prime is 4891022113. The reversal of 4891022112 is 2112201984.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4891022112.

It is not an unprimeable number, because it can be changed into a prime (4891022113) 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, 25473978 + ... + 25474169.

It is an arithmetic number, because the mean of its divisors is an integer number (534955554).

Almost surely, 2^4891022112 is an apocalyptic number.

It is an amenable number.

4891022112 is an abundant number, since it is smaller than the sum of its proper divisors (7947911184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4891022112 is a wasteful number, since it uses less digits than its factorization.

4891022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50948160 (or 50948152 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 4891022112 is about 69935.8428275516. The cubic root of 4891022112 is about 1697.4612754601.

The spelling of 4891022112 in words is "four billion, eight hundred ninety-one million, twenty-two thousand, one hundred twelve".