22111413540 has 48 divisors (see below), whose sum is σ = 61924668288. Its totient is φ = 5895166464.

The previous prime is 22111413503. The next prime is 22111413581. The reversal of 22111413540 is 4531411122.

It is a self number, because there is not a number n which added to its sum of digits gives 22111413540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278769 + ... + 349191.

It is an arithmetic number, because the mean of its divisors is an integer number (1290097256).

Almost surely, 2^22111413540 is an apocalyptic number.

22111413540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111413540 is an abundant number, since it is smaller than the sum of its proper divisors (39813254748).

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

22111413540 is a wasteful number, since it uses less digits than its factorization.

22111413540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75668 (or 75666 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 22111413540 its reverse (4531411122), we get a palindrome (26642824662).

The spelling of 22111413540 in words is "twenty-two billion, one hundred eleven million, four hundred thirteen thousand, five hundred forty".