21441512522 has 8 divisors (see below), whose sum is σ = 32181204000. Its totient is φ = 10714444524.

The previous prime is 21441512513. The next prime is 21441512527. The reversal of 21441512522 is 22521514412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21441512527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3151622 + ... + 3158417.

It is an arithmetic number, because the mean of its divisors is an integer number (4022650500).

Almost surely, 2^21441512522 is an apocalyptic number.

21441512522 is a deficient number, since it is larger than the sum of its proper divisors (10739691478).

21441512522 is a wasteful number, since it uses less digits than its factorization.

21441512522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311740.

The product of its digits is 6400, while the sum is 29.

The spelling of 21441512522 in words is "twenty-one billion, four hundred forty-one million, five hundred twelve thousand, five hundred twenty-two".