422761349 has 2 divisors, whose sum is σ = 422761350. Its totient is φ = 422761348.

The previous prime is 422761331. The next prime is 422761351. The reversal of 422761349 is 943167224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245392225 + 177369124 = 15665^2 + 13318^2 .

It is a cyclic number.

It is not a de Polignac number, because 422761349 - 2⁸ = 422761093 is a prime.

Together with 422761351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422761319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211380674 + 211380675.

It is an arithmetic number, because the mean of its divisors is an integer number (211380675).

Almost surely, 2^422761349 is an apocalyptic number.

It is an amenable number.

422761349 is a deficient number, since it is larger than the sum of its proper divisors (1).

422761349 is an equidigital number, since it uses as much as digits as its factorization.

422761349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 422761349 is about 20561.1611782992. The cubic root of 422761349 is about 750.5248764391.

The spelling of 422761349 in words is "four hundred twenty-two million, seven hundred sixty-one thousand, three hundred forty-nine".