3981044022 has 16 divisors (see below), whose sum is σ = 7964428800. Its totient is φ = 1326624552.

The previous prime is 3981044021. The next prime is 3981044063. The reversal of 3981044022 is 2204401893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981044021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75022 + ... + 116577.

It is an arithmetic number, because the mean of its divisors is an integer number (497776800).

Almost surely, 2^3981044022 is an apocalyptic number.

3981044022 is an abundant number, since it is smaller than the sum of its proper divisors (3983384778).

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

3981044022 is a wasteful number, since it uses less digits than its factorization.

3981044022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195067.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 3981044022 is about 63095.5150704073. The cubic root of 3981044022 is about 1584.8895187813.

The spelling of 3981044022 in words is "three billion, nine hundred eighty-one million, forty-four thousand, twenty-two".