21422234110 has 16 divisors (see below), whose sum is σ = 39803893632. Its totient is φ = 8292477600.

The previous prime is 21422234101. The next prime is 21422234129. The reversal of 21422234110 is 1143222412.

It is a super-2 number, since 2×21422234110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34551681 + ... + 34552300.

It is an arithmetic number, because the mean of its divisors is an integer number (2487743352).

Almost surely, 2^21422234110 is an apocalyptic number.

21422234110 is a deficient number, since it is larger than the sum of its proper divisors (18381659522).

21422234110 is a wasteful number, since it uses less digits than its factorization.

21422234110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69104019.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21422234110 its reverse (1143222412), we get a palindrome (22565456522).

The spelling of 21422234110 in words is "twenty-one billion, four hundred twenty-two million, two hundred thirty-four thousand, one hundred ten".