422924849 has 2 divisors, whose sum is σ = 422924850. Its totient is φ = 422924848.

The previous prime is 422924839. The next prime is 422924867. The reversal of 422924849 is 948429224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413512225 + 9412624 = 20335^2 + 3068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422924849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422924839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211462424 + 211462425.

It is an arithmetic number, because the mean of its divisors is an integer number (211462425).

Almost surely, 2^422924849 is an apocalyptic number.

It is an amenable number.

422924849 is a deficient number, since it is larger than the sum of its proper divisors (1).

422924849 is an equidigital number, since it uses as much as digits as its factorization.

422924849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 44.

The square root of 422924849 is about 20565.1367367202. The cubic root of 422924849 is about 750.6216173875.

The spelling of 422924849 in words is "four hundred twenty-two million, nine hundred twenty-four thousand, eight hundred forty-nine".