2201222251 has 2 divisors, whose sum is σ = 2201222252. Its totient is φ = 2201222250.

The previous prime is 2201222207. The next prime is 2201222347. The reversal of 2201222251 is 1522221022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201222251 - 2⁷ = 2201222123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201222201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100611125 + 1100611126.

It is an arithmetic number, because the mean of its divisors is an integer number (1100611126).

Almost surely, 2^2201222251 is an apocalyptic number.

2201222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201222251 is an equidigital number, since it uses as much as digits as its factorization.

2201222251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2201222251 is about 46917.1850285159. The cubic root of 2201222251 is about 1300.8322582000.

Adding to 2201222251 its reverse (1522221022), we get a palindrome (3723443273).

The spelling of 2201222251 in words is "two billion, two hundred one million, two hundred twenty-two thousand, two hundred fifty-one".