422574379 has 2 divisors, whose sum is σ = 422574380. Its totient is φ = 422574378.

The previous prime is 422574371. The next prime is 422574391. The reversal of 422574379 is 973475224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422574379 - 2³ = 422574371 is a prime.

It is not a weakly prime, because it can be changed into another prime (422574371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211287189 + 211287190.

It is an arithmetic number, because the mean of its divisors is an integer number (211287190).

Almost surely, 2^422574379 is an apocalyptic number.

422574379 is a deficient number, since it is larger than the sum of its proper divisors (1).

422574379 is an equidigital number, since it uses as much as digits as its factorization.

422574379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 422574379 is about 20556.6139964733. The cubic root of 422574379 is about 750.4142180040.

The spelling of 422574379 in words is "four hundred twenty-two million, five hundred seventy-four thousand, three hundred seventy-nine".