9922440251 has 2 divisors, whose sum is σ = 9922440252. Its totient is φ = 9922440250.

The previous prime is 9922440239. The next prime is 9922440263. The reversal of 9922440251 is 1520442299.

It is a balanced prime because it is at equal distance from previous prime (9922440239) and next prime (9922440263).

It is a cyclic number.

It is not a de Polignac number, because 9922440251 - 2¹⁸ = 9922178107 is a prime.

It is not a weakly prime, because it can be changed into another prime (9922440271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961220125 + 4961220126.

It is an arithmetic number, because the mean of its divisors is an integer number (4961220126).

Almost surely, 2^9922440251 is an apocalyptic number.

9922440251 is a deficient number, since it is larger than the sum of its proper divisors (1).

9922440251 is an equidigital number, since it uses as much as digits as its factorization.

9922440251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 9922440251 is about 99611.4463854431. The cubic root of 9922440251 is about 2148.8503138309.

The spelling of 9922440251 in words is "nine billion, nine hundred twenty-two million, four hundred forty thousand, two hundred fifty-one".