22027325831 has 16 divisors (see below), whose sum is σ = 25420898304. Its totient is φ = 18695773824.

The previous prime is 22027325743. The next prime is 22027325843. The reversal of 22027325831 is 13852372022.

It is a de Polignac number, because none of the positive numbers 2^k-22027325831 is a prime.

It is a super-2 number, since 2×22027325831² (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 = 22027325791 and 22027325800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027321831) 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, 859850 + ... + 885096.

It is an arithmetic number, because the mean of its divisors is an integer number (1588806144).

Almost surely, 2^22027325831 is an apocalyptic number.

22027325831 is a deficient number, since it is larger than the sum of its proper divisors (3393572473).

22027325831 is a wasteful number, since it uses less digits than its factorization.

22027325831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26470.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 22027325831 its reverse (13852372022), we get a palindrome (35879697853).

The spelling of 22027325831 in words is "twenty-two billion, twenty-seven million, three hundred twenty-five thousand, eight hundred thirty-one".