422012377 has 2 divisors, whose sum is σ = 422012378. Its totient is φ = 422012376.

The previous prime is 422012347. The next prime is 422012407. The reversal of 422012377 is 773210224.

It is a balanced prime because it is at equal distance from previous prime (422012347) and next prime (422012407).

It can be written as a sum of positive squares in only one way, i.e., 396368281 + 25644096 = 19909^2 + 5064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422012377 is a prime.

It is not a weakly prime, because it can be changed into another prime (422012317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211006188 + 211006189.

It is an arithmetic number, because the mean of its divisors is an integer number (211006189).

Almost surely, 2^422012377 is an apocalyptic number.

It is an amenable number.

422012377 is a deficient number, since it is larger than the sum of its proper divisors (1).

422012377 is an equidigital number, since it uses as much as digits as its factorization.

422012377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 422012377 is about 20542.9398334318. The cubic root of 422012377 is about 750.0813997577.

The spelling of 422012377 in words is "four hundred twenty-two million, twelve thousand, three hundred seventy-seven".