21234222310 has 32 divisors (see below), whose sum is σ = 43695977472. Its totient is φ = 7277946720.

The previous prime is 21234222287. The next prime is 21234222313. The reversal of 21234222310 is 1322243212.

21234222310 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×21234222310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21234222313) 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, 175839 + ... + 270901.

It is an arithmetic number, because the mean of its divisors is an integer number (1365499296).

Almost surely, 2^21234222310 is an apocalyptic number.

21234222310 is an abundant number, since it is smaller than the sum of its proper divisors (22461755162).

21234222310 is a wasteful number, since it uses less digits than its factorization.

21234222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98268.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21234222310 its reverse (1322243212), we get a palindrome (22556465522).

The spelling of 21234222310 in words is "twenty-one billion, two hundred thirty-four million, two hundred twenty-two thousand, three hundred ten".