422401322 has 16 divisors (see below), whose sum is σ = 727553472. Its totient is φ = 180169920.

The previous prime is 422401307. The next prime is 422401333. The reversal of 422401322 is 223104224.

It is a junction number, because it is equal to n+sod(n) for n = 422401294 and 422401303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68543 + ... + 74450.

It is an arithmetic number, because the mean of its divisors is an integer number (45472092).

Almost surely, 2^422401322 is an apocalyptic number.

422401322 is a deficient number, since it is larger than the sum of its proper divisors (305152150).

422401322 is a wasteful number, since it uses less digits than its factorization.

422401322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143213.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422401322 is about 20552.4042875767. The cubic root of 422401322 is about 750.3117649041.

Adding to 422401322 its reverse (223104224), we get a palindrome (645505546).

The spelling of 422401322 in words is "four hundred twenty-two million, four hundred one thousand, three hundred twenty-two".