424222124449 has 2 divisors, whose sum is σ = 424222124450. Its totient is φ = 424222124448.

The previous prime is 424222124399. The next prime is 424222124453. The reversal of 424222124449 is 944421222424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231726704400 + 192495420049 = 481380^2 + 438743^2 .

It is a cyclic number.

It is not a de Polignac number, because 424222124449 - 2³⁷ = 286783170977 is a prime.

It is not a weakly prime, because it can be changed into another prime (424222124479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212111062224 + 212111062225.

It is an arithmetic number, because the mean of its divisors is an integer number (212111062225).

Almost surely, 2^424222124449 is an apocalyptic number.

It is an amenable number.

424222124449 is a deficient number, since it is larger than the sum of its proper divisors (1).

424222124449 is an equidigital number, since it uses as much as digits as its factorization.

424222124449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 40.

The spelling of 424222124449 in words is "four hundred twenty-four billion, two hundred twenty-two million, one hundred twenty-four thousand, four hundred forty-nine".