22011240140 has 24 divisors (see below), whose sum is σ = 46267629072. Its totient is φ = 8796110400.

The previous prime is 22011240131. The next prime is 22011240179. The reversal of 22011240140 is 4104211022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502559 + ... + 544598.

It is an arithmetic number, because the mean of its divisors is an integer number (1927817878).

Almost surely, 2^22011240140 is an apocalyptic number.

22011240140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011240140 is an abundant number, since it is smaller than the sum of its proper divisors (24256388932).

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

22011240140 is a wasteful number, since it uses less digits than its factorization.

22011240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048217 (or 1048215 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22011240140 its reverse (4104211022), we get a palindrome (26115451162).

The spelling of 22011240140 in words is "twenty-two billion, eleven million, two hundred forty thousand, one hundred forty".