21424222414 has 32 divisors (see below), whose sum is σ = 37137139200. Its totient is φ = 9079562400.

The previous prime is 21424222399. The next prime is 21424222423. The reversal of 21424222414 is 41422242412.

It is a happy number.

21424222414 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 1177317 + ... + 1195375.

It is an arithmetic number, because the mean of its divisors is an integer number (1160535600).

Almost surely, 2^21424222414 is an apocalyptic number.

21424222414 is a deficient number, since it is larger than the sum of its proper divisors (15712916786).

21424222414 is a wasteful number, since it uses less digits than its factorization.

21424222414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19008.

The product of its digits is 8192, while the sum is 28.

Adding to 21424222414 its reverse (41422242412), we get a palindrome (62846464826).

The spelling of 21424222414 in words is "twenty-one billion, four hundred twenty-four million, two hundred twenty-two thousand, four hundred fourteen".