4222000261 has 2 divisors, whose sum is σ = 4222000262. Its totient is φ = 4222000260.

The previous prime is 4222000253. The next prime is 4222000331. The reversal of 4222000261 is 1620002224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2685830625 + 1536169636 = 51825^2 + 39194^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222000261 - 2³ = 4222000253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4222000231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111000130 + 2111000131.

It is an arithmetic number, because the mean of its divisors is an integer number (2111000131).

Almost surely, 2^4222000261 is an apocalyptic number.

It is an amenable number.

4222000261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222000261 is an equidigital number, since it uses as much as digits as its factorization.

4222000261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4222000261 is about 64976.9209873783. The cubic root of 4222000261 is about 1616.2408724874.

Adding to 4222000261 its reverse (1620002224), we get a palindrome (5842002485).

The spelling of 4222000261 in words is "four billion, two hundred twenty-two million, two hundred sixty-one", and thus it is an aban number.