1968401322 has 24 divisors (see below), whose sum is σ = 4307099940. Its totient is φ = 649636800.

The previous prime is 1968401317. The next prime is 1968401329. The reversal of 1968401322 is 2231048691.

It can be written as a sum of positive squares in 2 ways, for example, as 1941371721 + 27029601 = 44061^2 + 5199^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1968401329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539547 + ... + 543182.

Almost surely, 2^1968401322 is an apocalyptic number.

1968401322 is an abundant number, since it is smaller than the sum of its proper divisors (2338698618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968401322 is a wasteful number, since it uses less digits than its factorization.

1968401322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082838 (or 1082835 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1968401322 is about 44366.6690433258. The cubic root of 1968401322 is about 1253.2504888246.

The spelling of 1968401322 in words is "one billion, nine hundred sixty-eight million, four hundred one thousand, three hundred twenty-two".