21222341030 has 64 divisors (see below), whose sum is σ = 42833240640. Its totient is φ = 7505203200.

The previous prime is 21222341011. The next prime is 21222341033. The reversal of 21222341030 is 3014322212.

It is a junction number, because it is equal to n+sod(n) for n = 21222340993 and 21222341011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222341033) 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 31 ways as a sum of consecutive naturals, for example, 579422 + ... + 614958.

It is an arithmetic number, because the mean of its divisors is an integer number (669269385).

Almost surely, 2^21222341030 is an apocalyptic number.

21222341030 is an abundant number, since it is smaller than the sum of its proper divisors (21610899610).

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

21222341030 is a wasteful number, since it uses less digits than its factorization.

21222341030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35705.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21222341030 its reverse (3014322212), we get a palindrome (24236663242).

The spelling of 21222341030 in words is "twenty-one billion, two hundred twenty-two million, three hundred forty-one thousand, thirty".