3891400022 has 8 divisors (see below), whose sum is σ = 5897276616. Its totient is φ = 1925641152.

The previous prime is 3891399989. The next prime is 3891400027. The reversal of 3891400022 is 2200041983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891400027) 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, 10029188 + ... + 10029575.

It is an arithmetic number, because the mean of its divisors is an integer number (737159577).

Almost surely, 2^3891400022 is an apocalyptic number.

3891400022 is a deficient number, since it is larger than the sum of its proper divisors (2005876594).

3891400022 is a wasteful number, since it uses less digits than its factorization.

3891400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20058862.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3891400022 is about 62381.0870536896. The cubic root of 3891400022 is about 1572.9030660650.

The spelling of 3891400022 in words is "three billion, eight hundred ninety-one million, four hundred thousand, twenty-two".