22131114423040 has 144 divisors (see below), whose sum is σ = 60593553340992. Its totient is φ = 7586604859392.

The previous prime is 22131114423029. The next prime is 22131114423049. The reversal of 22131114423040 is 4032441113122.

It is a happy number.

It is a super-2 number, since 2×22131114423040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22131114423049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57124062 + ... + 57510178.

It is an arithmetic number, because the mean of its divisors is an integer number (420788564868).

Almost surely, 2^{22131114423040} is an apocalyptic number.

22131114423040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22131114423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30296776670496).

22131114423040 is an abundant number, since it is smaller than the sum of its proper divisors (38462438917952).

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

22131114423040 is an equidigital number, since it uses as much as digits as its factorization.

22131114423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392542 (or 392528 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 22131114423040 its reverse (4032441113122), we get a palindrome (26163555536162).

The spelling of 22131114423040 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred fourteen million, four hundred twenty-three thousand, forty".