1381688822 has 16 divisors (see below), whose sum is σ = 2085616512. Its totient is φ = 686495040.

The previous prime is 1381688813. The next prime is 1381688827. The reversal of 1381688822 is 2288861831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381688827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272672 + ... + 277692.

It is an arithmetic number, because the mean of its divisors is an integer number (130351032).

Almost surely, 2^1381688822 is an apocalyptic number.

1381688822 is a deficient number, since it is larger than the sum of its proper divisors (703927690).

1381688822 is a wasteful number, since it uses less digits than its factorization.

1381688822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863.

The product of its digits is 294912, while the sum is 47.

The square root of 1381688822 is about 37171.0750718889. The cubic root of 1381688822 is about 1113.7902574459.

The spelling of 1381688822 in words is "one billion, three hundred eighty-one million, six hundred eighty-eight thousand, eight hundred twenty-two".