21313033032222 has 32 divisors (see below), whose sum is σ = 47414285084160. Its totient is φ = 7096545925560.

The previous prime is 21313033032173. The next prime is 21313033032227. The reversal of 21313033032222 is 22223033031312.

21313033032222 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 3 + 0 + 330 + 322 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313033032227) 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, 216573088 + ... + 216671475.

It is an arithmetic number, because the mean of its divisors is an integer number (1481696408880).

Almost surely, 2^{21313033032222} is an apocalyptic number.

21313033032222 is an abundant number, since it is smaller than the sum of its proper divisors (26101252051938).

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

21313033032222 is a wasteful number, since it uses less digits than its factorization.

21313033032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433245485 (or 433245479 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21313033032222 its reverse (22223033031312), we get a palindrome (43536066063534).

The spelling of 21313033032222 in words is "twenty-one trillion, three hundred thirteen billion, thirty-three million, thirty-two thousand, two hundred twenty-two".