2221422431 has 2 divisors, whose sum is σ = 2221422432. Its totient is φ = 2221422430.

The previous prime is 2221422349. The next prime is 2221422451. The reversal of 2221422431 is 1342241222.

2221422431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221422431 - 2¹⁰ = 2221421407 is a prime.

It is a super-2 number, since 2×2221422431² = 9869435233899899522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221422397 and 2221422406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221422451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110711215 + 1110711216.

It is an arithmetic number, because the mean of its divisors is an integer number (1110711216).

Almost surely, 2^2221422431 is an apocalyptic number.

2221422431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221422431 is an equidigital number, since it uses as much as digits as its factorization.

2221422431 is an evil number, because the sum of its binary digits is even.

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

The square root of 2221422431 is about 47131.9682487375. The cubic root of 2221422431 is about 1304.7993077655.

Adding to 2221422431 its reverse (1342241222), we get a palindrome (3563663653).

The spelling of 2221422431 in words is "two billion, two hundred twenty-one million, four hundred twenty-two thousand, four hundred thirty-one".