21302230022 has 16 divisors (see below), whose sum is σ = 33380703072. Its totient is φ = 10176386880.

The previous prime is 21302230009. The next prime is 21302230031. The reversal of 21302230022 is 22003220312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223679 + ... + 304362.

It is an arithmetic number, because the mean of its divisors is an integer number (2086293942).

Almost surely, 2^21302230022 is an apocalyptic number.

21302230022 is a deficient number, since it is larger than the sum of its proper divisors (12078473050).

21302230022 is a wasteful number, since it uses less digits than its factorization.

21302230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528943.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21302230022 its reverse (22003220312), we get a palindrome (43305450334).

The spelling of 21302230022 in words is "twenty-one billion, three hundred two million, two hundred thirty thousand, twenty-two".