22054132240 has 40 divisors (see below), whose sum is σ = 58600981440. Its totient is φ = 7561416576.

The previous prime is 22054132237. The next prime is 22054132253. The reversal of 22054132240 is 4223145022.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19690630 + ... + 19691749.

It is an arithmetic number, because the mean of its divisors is an integer number (1465024536).

Almost surely, 2^22054132240 is an apocalyptic number.

22054132240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22054132240 is an abundant number, since it is smaller than the sum of its proper divisors (36546849200).

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

22054132240 is a wasteful number, since it uses less digits than its factorization.

22054132240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39382399 (or 39382393 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22054132240 its reverse (4223145022), we get a palindrome (26277277262).

The spelling of 22054132240 in words is "twenty-two billion, fifty-four million, one hundred thirty-two thousand, two hundred forty".