4221241231 has 2 divisors, whose sum is σ = 4221241232. Its totient is φ = 4221241230.

The previous prime is 4221241177. The next prime is 4221241249. The reversal of 4221241231 is 1321421224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221241231 - 2⁷ = 4221241103 is a prime.

It is a super-2 number, since 2×4221241231² = 35637755060588790722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4251241231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110620615 + 2110620616.

It is an arithmetic number, because the mean of its divisors is an integer number (2110620616).

Almost surely, 2^4221241231 is an apocalyptic number.

4221241231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221241231 is an equidigital number, since it uses as much as digits as its factorization.

4221241231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 4221241231 is about 64971.0799587016. The cubic root of 4221241231 is about 1616.1440109086.

Adding to 4221241231 its reverse (1321421224), we get a palindrome (5542662455).

The spelling of 4221241231 in words is "four billion, two hundred twenty-one million, two hundred forty-one thousand, two hundred thirty-one".