22211323140 has 48 divisors (see below), whose sum is σ = 65850043392. Its totient is φ = 5574606336.

The previous prime is 22211323139. The next prime is 22211323177. The reversal of 22211323140 is 4132311222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10886884 + ... + 10888923.

It is an arithmetic number, because the mean of its divisors is an integer number (1371875904).

Almost surely, 2^22211323140 is an apocalyptic number.

22211323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211323140 is an abundant number, since it is smaller than the sum of its proper divisors (43638720252).

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

22211323140 is a wasteful number, since it uses less digits than its factorization.

22211323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21775836 (or 21775834 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22211323140 its reverse (4132311222), we get a palindrome (26343634362).

The spelling of 22211323140 in words is "twenty-two billion, two hundred eleven million, three hundred twenty-three thousand, one hundred forty".