21322441262 has 16 divisors (see below), whose sum is σ = 32227681920. Its totient is φ = 10579947192.

The previous prime is 21322441247. The next prime is 21322441271. The reversal of 21322441262 is 26214422312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680513 + ... + 711155.

It is an arithmetic number, because the mean of its divisors is an integer number (2014230120).

Almost surely, 2^21322441262 is an apocalyptic number.

21322441262 is a deficient number, since it is larger than the sum of its proper divisors (10905240658).

21322441262 is a wasteful number, since it uses less digits than its factorization.

21322441262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33287.

The product of its digits is 9216, while the sum is 29.

Adding to 21322441262 its reverse (26214422312), we get a palindrome (47536863574).

The spelling of 21322441262 in words is "twenty-one billion, three hundred twenty-two million, four hundred forty-one thousand, two hundred sixty-two".