4222021055 has 24 divisors (see below), whose sum is σ = 5897010240. Its totient is φ = 2893423680.

The previous prime is 4222021039. The next prime is 4222021073. The reversal of 4222021055 is 5501202224.

It is not a de Polignac number, because 4222021055 - 2⁴ = 4222021039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4222021055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540266 + ... + 548024.

It is an arithmetic number, because the mean of its divisors is an integer number (245708760).

Almost surely, 2^4222021055 is an apocalyptic number.

4222021055 is a deficient number, since it is larger than the sum of its proper divisors (1674989185).

4222021055 is a wasteful number, since it uses less digits than its factorization.

4222021055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999 (or 9992 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4222021055 is about 64977.0809978411. The cubic root of 4222021055 is about 1616.2435258946.

Adding to 4222021055 its reverse (5501202224), we get a palindrome (9723223279).

The spelling of 4222021055 in words is "four billion, two hundred twenty-two million, twenty-one thousand, fifty-five".