2201423251 has 2 divisors, whose sum is σ = 2201423252. Its totient is φ = 2201423250.

The previous prime is 2201423249. The next prime is 2201423269. The reversal of 2201423251 is 1523241022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201423251 - 2¹ = 2201423249 is a prime.

Together with 2201423249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2201423951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100711625 + 1100711626.

It is an arithmetic number, because the mean of its divisors is an integer number (1100711626).

Almost surely, 2^2201423251 is an apocalyptic number.

2201423251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201423251 is an equidigital number, since it uses as much as digits as its factorization.

2201423251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2201423251 is about 46919.3270518664. The cubic root of 2201423251 is about 1300.8718512527.

Adding to 2201423251 its reverse (1523241022), we get a palindrome (3724664273).

The spelling of 2201423251 in words is "two billion, two hundred one million, four hundred twenty-three thousand, two hundred fifty-one".