402132422 has 8 divisors (see below), whose sum is σ = 608537016. Its totient is φ = 199286752.

The previous prime is 402132413. The next prime is 402132439. The reversal of 402132422 is 224231204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402132394 and 402132403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889448 + ... + 889899.

It is an arithmetic number, because the mean of its divisors is an integer number (76067127).

Almost surely, 2^402132422 is an apocalyptic number.

402132422 is a deficient number, since it is larger than the sum of its proper divisors (206404594).

402132422 is a wasteful number, since it uses less digits than its factorization.

402132422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779462.

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

The square root of 402132422 is about 20053.2396883895. The cubic root of 402132422 is about 738.1132982147.

Adding to 402132422 its reverse (224231204), we get a palindrome (626363626).

The spelling of 402132422 in words is "four hundred two million, one hundred thirty-two thousand, four hundred twenty-two".