4422122251 has 2 divisors, whose sum is σ = 4422122252. Its totient is φ = 4422122250.

The previous prime is 4422122219. The next prime is 4422122273. The reversal of 4422122251 is 1522212244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4422122251 - 2⁵ = 4422122219 is a prime.

It is not a weakly prime, because it can be changed into another prime (4422122291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211061125 + 2211061126.

It is an arithmetic number, because the mean of its divisors is an integer number (2211061126).

Almost surely, 2^4422122251 is an apocalyptic number.

4422122251 is a deficient number, since it is larger than the sum of its proper divisors (1).

4422122251 is an equidigital number, since it uses as much as digits as its factorization.

4422122251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 25.

The square root of 4422122251 is about 66499.0394742661. The cubic root of 4422122251 is about 1641.3841985921.

Adding to 4422122251 its reverse (1522212244), we get a palindrome (5944334495).

The spelling of 4422122251 in words is "four billion, four hundred twenty-two million, one hundred twenty-two thousand, two hundred fifty-one".