21322200223230 has 32 divisors (see below), whose sum is σ = 51173442900000. Its totient is φ = 5685902019072.

The previous prime is 21322200223189. The next prime is 21322200223241. The reversal of 21322200223230 is 3232200222312.

It is a self number, because there is not a number n which added to its sum of digits gives 21322200223230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10426146 + ... + 12302394.

It is an arithmetic number, because the mean of its divisors is an integer number (1599170090625).

Almost surely, 2^{21322200223230} is an apocalyptic number.

21322200223230 is an abundant number, since it is smaller than the sum of its proper divisors (29851242676770).

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

21322200223230 is a wasteful number, since it uses less digits than its factorization.

21322200223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255068.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21322200223230 its reverse (3232200222312), we get a palindrome (24554400445542).

The spelling of 21322200223230 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred million, two hundred twenty-three thousand, two hundred thirty".