21322302302 has 16 divisors (see below), whose sum is σ = 36613555200. Its totient is φ = 9122870328.

The previous prime is 21322302301. The next prime is 21322302311. The reversal of 21322302302 is 20320322312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322302301) by changing a digit.

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, 1262918 + ... + 1279689.

It is an arithmetic number, because the mean of its divisors is an integer number (2288347200).

Almost surely, 2^21322302302 is an apocalyptic number.

21322302302 is a deficient number, since it is larger than the sum of its proper divisors (15291252898).

21322302302 is a wasteful number, since it uses less digits than its factorization.

21322302302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543215.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21322302302 its reverse (20320322312), we get a palindrome (41642624614).

The spelling of 21322302302 in words is "twenty-one billion, three hundred twenty-two million, three hundred two thousand, three hundred two".