22131026481 has 8 divisors (see below), whose sum is σ = 29612305120. Its totient is φ = 14701882752.

The previous prime is 22131026429. The next prime is 22131026507. The reversal of 22131026481 is 18462013122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22131026481 - 2¹³ = 22131018289 is a prime.

It is a super-2 number, since 2×22131026481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22131026681) 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, 13032736 + ... + 13034433.

It is an arithmetic number, because the mean of its divisors is an integer number (3701538140).

Almost surely, 2^22131026481 is an apocalyptic number.

It is an amenable number.

22131026481 is a deficient number, since it is larger than the sum of its proper divisors (7481278639).

22131026481 is a wasteful number, since it uses less digits than its factorization.

22131026481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26067455.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 22131026481 in words is "twenty-two billion, one hundred thirty-one million, twenty-six thousand, four hundred eighty-one".