21759141222 has 48 divisors (see below), whose sum is σ = 58024380960. Its totient is φ = 5738674176.

The previous prime is 21759141203. The next prime is 21759141233. The reversal of 21759141222 is 22214195712.

It is a happy number.

21759141222 is a `hidden beast` number, since 2 + 1 + 7 + 591 + 41 + 2 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6640347 + ... + 6643622.

It is an arithmetic number, because the mean of its divisors is an integer number (1208841270).

Almost surely, 2^21759141222 is an apocalyptic number.

21759141222 is an abundant number, since it is smaller than the sum of its proper divisors (36265239738).

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

21759141222 is a wasteful number, since it uses less digits than its factorization.

21759141222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283997 (or 13283994 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The spelling of 21759141222 in words is "twenty-one billion, seven hundred fifty-nine million, one hundred forty-one thousand, two hundred twenty-two".