4220422061 has 2 divisors, whose sum is σ = 4220422062. Its totient is φ = 4220422060.

The previous prime is 4220422039. The next prime is 4220422109. The reversal of 4220422061 is 1602240224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4112656900 + 107765161 = 64130^2 + 10381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220422061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220422001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110211030 + 2110211031.

It is an arithmetic number, because the mean of its divisors is an integer number (2110211031).

Almost surely, 2^4220422061 is an apocalyptic number.

It is an amenable number.

4220422061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220422061 is an equidigital number, since it uses as much as digits as its factorization.

4220422061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4220422061 is about 64964.7755402880. The cubic root of 4220422061 is about 1616.0394616963.

Adding to 4220422061 its reverse (1602240224), we get a palindrome (5822662285).

The spelling of 4220422061 in words is "four billion, two hundred twenty million, four hundred twenty-two thousand, sixty-one".