22140133240 has 32 divisors (see below), whose sum is σ = 50308529760. Its totient is φ = 8768368000.

The previous prime is 22140133237. The next prime is 22140133241. The reversal of 22140133240 is 4233104122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140133241) 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, 2736076 + ... + 2744155.

It is an arithmetic number, because the mean of its divisors is an integer number (1572141555).

Almost surely, 2^22140133240 is an apocalyptic number.

22140133240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22140133240 is an abundant number, since it is smaller than the sum of its proper divisors (28168396520).

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

22140133240 is a wasteful number, since it uses less digits than its factorization.

22140133240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480343 (or 5480339 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22140133240 its reverse (4233104122), we get a palindrome (26373237362).

The spelling of 22140133240 in words is "twenty-two billion, one hundred forty million, one hundred thirty-three thousand, two hundred forty".