13881822 has 16 divisors (see below), whose sum is σ = 27803280. Its totient is φ = 4620672.

The previous prime is 13881817. The next prime is 13881823. The reversal of 13881822 is 22818831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13881823) 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, 4908 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (1737705).

Almost surely, 2^13881822 is an apocalyptic number.

13881822 is an abundant number, since it is smaller than the sum of its proper divisors (13921458).

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

13881822 is a wasteful number, since it uses less digits than its factorization.

13881822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307.

The product of its digits is 6144, while the sum is 33.

The square root of 13881822 is about 3725.8317192273. The cubic root of 13881822 is about 240.3341525981.

The spelling of 13881822 in words is "thirteen million, eight hundred eighty-one thousand, eight hundred twenty-two".