402066322 has 16 divisors (see below), whose sum is σ = 689640192. Its totient is φ = 172218240.

The previous prime is 402066293. The next prime is 402066349. The reversal of 402066322 is 223660204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21922 + ... + 35842.

It is an arithmetic number, because the mean of its divisors is an integer number (43102512).

Almost surely, 2^402066322 is an apocalyptic number.

402066322 is a deficient number, since it is larger than the sum of its proper divisors (287573870).

402066322 is a wasteful number, since it uses less digits than its factorization.

402066322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15993.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 402066322 is about 20051.5915079078. The cubic root of 402066322 is about 738.0728538571.

The spelling of 402066322 in words is "four hundred two million, sixty-six thousand, three hundred twenty-two".