22013021752 has 24 divisors (see below), whose sum is σ = 41656734000. Its totient is φ = 10905486624.

The previous prime is 22013021743. The next prime is 22013021791. The reversal of 22013021752 is 25712031022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20752 + ... + 210847.

It is an arithmetic number, because the mean of its divisors is an integer number (1735697250).

Almost surely, 2^22013021752 is an apocalyptic number.

It is an amenable number.

22013021752 is a deficient number, since it is larger than the sum of its proper divisors (19643712248).

22013021752 is a wasteful number, since it uses less digits than its factorization.

22013021752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231823 (or 231710 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 22013021752 its reverse (25712031022), we get a palindrome (47725052774).

The spelling of 22013021752 in words is "twenty-two billion, thirteen million, twenty-one thousand, seven hundred fifty-two".