22131343040 has 56 divisors (see below), whose sum is σ = 54517533840. Its totient is φ = 8547273728.

The previous prime is 22131343027. The next prime is 22131343049. The reversal of 22131343040 is 4034313122.

It is a junction number, because it is equal to n+sod(n) for n = 22131342997 and 22131343015.

It is not an unprimeable number, because it can be changed into a prime (22131343049) 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, 1183142 + ... + 1201701.

It is an arithmetic number, because the mean of its divisors is an integer number (973527390).

Almost surely, 2^22131343040 is an apocalyptic number.

22131343040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131343040 is an abundant number, since it is smaller than the sum of its proper divisors (32386190800).

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

22131343040 is a wasteful number, since it uses less digits than its factorization.

22131343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384889 (or 2384879 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22131343040 its reverse (4034313122), we get a palindrome (26165656162).

The spelling of 22131343040 in words is "twenty-two billion, one hundred thirty-one million, three hundred forty-three thousand, forty".