4220842791 has 16 divisors (see below), whose sum is σ = 6144167808. Its totient is φ = 2556103200.

The previous prime is 4220842757. The next prime is 4220842817. The reversal of 4220842791 is 1972480224.

It is a happy number.

It is not a de Polignac number, because 4220842791 - 2¹⁰ = 4220841767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220842291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5800 + ... + 92061.

It is an arithmetic number, because the mean of its divisors is an integer number (384010488).

Almost surely, 2^4220842791 is an apocalyptic number.

4220842791 is a deficient number, since it is larger than the sum of its proper divisors (1923325017).

4220842791 is a wasteful number, since it uses less digits than its factorization.

4220842791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99182.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 4220842791 is about 64968.0135990012. The cubic root of 4220842791 is about 1616.0931604086.

The spelling of 4220842791 in words is "four billion, two hundred twenty million, eight hundred forty-two thousand, seven hundred ninety-one".