2201220431 has 2 divisors, whose sum is σ = 2201220432. Its totient is φ = 2201220430.

The previous prime is 2201220409. The next prime is 2201220449. The reversal of 2201220431 is 1340221022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201220431 is a prime.

It is a super-2 number, since 2×2201220431² = 9690742771703651522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201220481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100610215 + 1100610216.

It is an arithmetic number, because the mean of its divisors is an integer number (1100610216).

Almost surely, 2^2201220431 is an apocalyptic number.

2201220431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201220431 is an equidigital number, since it uses as much as digits as its factorization.

2201220431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2201220431 is about 46917.1656326339. The cubic root of 2201220431 is about 1300.8318996847.

Adding to 2201220431 its reverse (1340221022), we get a palindrome (3541441453).

The spelling of 2201220431 in words is "two billion, two hundred one million, two hundred twenty thousand, four hundred thirty-one".