402430322 has 8 divisors (see below), whose sum is σ = 689880576. Its totient is φ = 172470132.

The previous prime is 402430319. The next prime is 402430331. The reversal of 402430322 is 223034204.

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 = 402430294 and 402430303.

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, 14372498 + ... + 14372525.

It is an arithmetic number, because the mean of its divisors is an integer number (86235072).

Almost surely, 2^402430322 is an apocalyptic number.

402430322 is a deficient number, since it is larger than the sum of its proper divisors (287450254).

402430322 is a wasteful number, since it uses less digits than its factorization.

402430322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28745032.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 402430322 is about 20060.6660407874. Note that the first 3 decimals coincide. The cubic root of 402430322 is about 738.2955181876.

Adding to 402430322 its reverse (223034204), we get a palindrome (625464526).

The spelling of 402430322 in words is "four hundred two million, four hundred thirty thousand, three hundred twenty-two".