422140322 has 4 divisors (see below), whose sum is σ = 633210486. Its totient is φ = 211070160.

The previous prime is 422140273. The next prime is 422140343. The reversal of 422140322 is 223041224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 379119841 + 43020481 = 19471^2 + 6559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422140294 and 422140303.

It is an unprimeable number.

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, 105535079 + ... + 105535082.

Almost surely, 2^422140322 is an apocalyptic number.

422140322 is a deficient number, since it is larger than the sum of its proper divisors (211070164).

422140322 is a wasteful number, since it uses less digits than its factorization.

422140322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211070163.

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

The square root of 422140322 is about 20546.0536843453. The cubic root of 422140322 is about 750.1571949026.

Adding to 422140322 its reverse (223041224), we get a palindrome (645181546).

The spelling of 422140322 in words is "four hundred twenty-two million, one hundred forty thousand, three hundred twenty-two".