22232004140 has 24 divisors (see below), whose sum is σ = 46694910192. Its totient is φ = 8891334720.

The previous prime is 22232004097. The next prime is 22232004163. The reversal of 22232004140 is 4140023222.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 36995 + ... + 214085.

It is an arithmetic number, because the mean of its divisors is an integer number (1945621258).

Almost surely, 2^22232004140 is an apocalyptic number.

22232004140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232004140 is an abundant number, since it is smaller than the sum of its proper divisors (24462906052).

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

22232004140 is a wasteful number, since it uses less digits than its factorization.

22232004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183377 (or 183375 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22232004140 its reverse (4140023222), we get a palindrome (26372027362).

The spelling of 22232004140 in words is "twenty-two billion, two hundred thirty-two million, four thousand, one hundred forty".