22171045331 has 4 divisors (see below), whose sum is σ = 22171391112. Its totient is φ = 22170699552.

The previous prime is 22171045313. The next prime is 22171045349. The reversal of 22171045331 is 13354017122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22171045313) and next prime (22171045349).

It is a cyclic number.

It is not a de Polignac number, because 22171045331 - 2¹⁰ = 22171044307 is a prime.

It is a super-2 number, since 2×22171045331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22171045294 and 22171045303.

It is not an unprimeable number, because it can be changed into a prime (22171045231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45350 + ... + 215403.

It is an arithmetic number, because the mean of its divisors is an integer number (5542847778).

Almost surely, 2^22171045331 is an apocalyptic number.

22171045331 is a deficient number, since it is larger than the sum of its proper divisors (345781).

22171045331 is an equidigital number, since it uses as much as digits as its factorization.

22171045331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345780.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 22171045331 in words is "twenty-two billion, one hundred seventy-one million, forty-five thousand, three hundred thirty-one".