21323222245022 has 64 divisors (see below), whose sum is σ = 33474373632000. Its totient is φ = 10179309888000.

The previous prime is 21323222244997. The next prime is 21323222245043. The reversal of 21323222245022 is 22054222232312.

It is a self number, because there is not a number n which added to its sum of digits gives 21323222245022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277351247 + ... + 277428117.

It is an arithmetic number, because the mean of its divisors is an integer number (523037088000).

Almost surely, 2^{21323222245022} is an apocalyptic number.

21323222245022 is a deficient number, since it is larger than the sum of its proper divisors (12151151386978).

21323222245022 is a wasteful number, since it uses less digits than its factorization.

21323222245022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77393.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 21323222245022 its reverse (22054222232312), we get a palindrome (43377444477334).

The spelling of 21323222245022 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred twenty-two million, two hundred forty-five thousand, twenty-two".