4022121857 has 8 divisors (see below), whose sum is σ = 4347989184. Its totient is φ = 3698607888.

The previous prime is 4022121847. The next prime is 4022121893. The reversal of 4022121857 is 7581212204.

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

It is a cyclic number.

It is not a de Polignac number, because 4022121857 - 2⁴ = 4022121841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4022121847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584783 + ... + 591620.

It is an arithmetic number, because the mean of its divisors is an integer number (543498648).

Almost surely, 2^4022121857 is an apocalyptic number.

It is an amenable number.

4022121857 is a deficient number, since it is larger than the sum of its proper divisors (325867327).

4022121857 is a wasteful number, since it uses less digits than its factorization.

4022121857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176679.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 4022121857 is about 63420.2007013538. The cubic root of 4022121857 is about 1590.3220287048.

The spelling of 4022121857 in words is "four billion, twenty-two million, one hundred twenty-one thousand, eight hundred fifty-seven".