2221241431 has 2 divisors, whose sum is σ = 2221241432. Its totient is φ = 2221241430.

The previous prime is 2221241413. The next prime is 2221241447. The reversal of 2221241431 is 1341421222.

Together with previous prime (2221241413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221241431 - 2¹⁵ = 2221208663 is a prime.

It is a super-2 number, since 2×2221241431² = 9867826989581855522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221245431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110620715 + 1110620716.

It is an arithmetic number, because the mean of its divisors is an integer number (1110620716).

Almost surely, 2^2221241431 is an apocalyptic number.

2221241431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221241431 is an equidigital number, since it uses as much as digits as its factorization.

2221241431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2221241431 is about 47130.0480691459. The cubic root of 2221241431 is about 1304.7638687474.

Adding to 2221241431 its reverse (1341421222), we get a palindrome (3562662653).

The spelling of 2221241431 in words is "two billion, two hundred twenty-one million, two hundred forty-one thousand, four hundred thirty-one".