422140402 has 8 divisors (see below), whose sum is σ = 633882096. Its totient is φ = 210846372.

The previous prime is 422140391. The next prime is 422140403. The reversal of 422140402 is 204041224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 422140402.

It is not an unprimeable number, because it can be changed into a prime (422140403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109548 + ... + 113335.

It is an arithmetic number, because the mean of its divisors is an integer number (79235262).

Almost surely, 2^422140402 is an apocalyptic number.

422140402 is a deficient number, since it is larger than the sum of its proper divisors (211741694).

422140402 is a wasteful number, since it uses less digits than its factorization.

422140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223832.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 422140402 is about 20546.0556311911. The cubic root of 422140402 is about 750.1572422901.

Adding to 422140402 its reverse (204041224), we get a palindrome (626181626).

The spelling of 422140402 in words is "four hundred twenty-two million, one hundred forty thousand, four hundred two".