1328406422 has 32 divisors (see below), whose sum is σ = 2368941120. Its totient is φ = 546618240.

The previous prime is 1328406421. The next prime is 1328406433. The reversal of 1328406422 is 2246048231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328406421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64448 + ... + 82524.

It is an arithmetic number, because the mean of its divisors is an integer number (74029410).

Almost surely, 2^1328406422 is an apocalyptic number.

1328406422 is a deficient number, since it is larger than the sum of its proper divisors (1040534698).

1328406422 is a wasteful number, since it uses less digits than its factorization.

1328406422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1328406422 is about 36447.3102162560. The cubic root of 1328406422 is about 1099.2850511196.

The spelling of 1328406422 in words is "one billion, three hundred twenty-eight million, four hundred six thousand, four hundred twenty-two".