22140201240 has 96 divisors (see below), whose sum is σ = 74276841600. Its totient is φ = 5713597440.

The previous prime is 22140201233. The next prime is 22140201253. The reversal of 22140201240 is 4210204122.

22140201240 is a `hidden beast` number, since 2 + 21 + 402 + 0 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 980785 + ... + 1003104.

It is an arithmetic number, because the mean of its divisors is an integer number (773717100).

Almost surely, 2^22140201240 is an apocalyptic number.

22140201240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22140201240 is an abundant number, since it is smaller than the sum of its proper divisors (52136640360).

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

22140201240 is a wasteful number, since it uses less digits than its factorization.

22140201240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983937 (or 1983930 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22140201240 its reverse (4210204122), we get a palindrome (26350405362).

The spelling of 22140201240 in words is "twenty-two billion, one hundred forty million, two hundred one thousand, two hundred forty".