21302441022 has 32 divisors (see below), whose sum is σ = 46070871552. Its totient is φ = 6540923264.

The previous prime is 21302441011. The next prime is 21302441029. The reversal of 21302441022 is 22014420312.

It is a self number, because there is not a number n which added to its sum of digits gives 21302441022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302441029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216988 + ... + 2226575.

It is an arithmetic number, because the mean of its divisors is an integer number (1439714736).

Almost surely, 2^21302441022 is an apocalyptic number.

21302441022 is an abundant number, since it is smaller than the sum of its proper divisors (24768430530).

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

21302441022 is a wasteful number, since it uses less digits than its factorization.

21302441022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443632.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21302441022 its reverse (22014420312), we get a palindrome (43316861334).

The spelling of 21302441022 in words is "twenty-one billion, three hundred two million, four hundred forty-one thousand, twenty-two".