4221844755 has 8 divisors (see below), whose sum is σ = 6754951632. Its totient is φ = 2251650528.

The previous prime is 4221844747. The next prime is 4221844763. The reversal of 4221844755 is 5574481224.

It is an interprime number because it is at equal distance from previous prime (4221844747) and next prime (4221844763).

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

It is not a de Polignac number, because 4221844755 - 2³ = 4221844747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140728144 + ... + 140728173.

It is an arithmetic number, because the mean of its divisors is an integer number (844368954).

Almost surely, 2^4221844755 is an apocalyptic number.

4221844755 is a deficient number, since it is larger than the sum of its proper divisors (2533106877).

4221844755 is a wasteful number, since it uses less digits than its factorization.

4221844755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281456325.

The product of its digits is 358400, while the sum is 42.

The square root of 4221844755 is about 64975.7243514838. The cubic root of 4221844755 is about 1616.2210289517.

The spelling of 4221844755 in words is "four billion, two hundred twenty-one million, eight hundred forty-four thousand, seven hundred fifty-five".