21322232414 has 16 divisors (see below), whose sum is σ = 36554942688. Its totient is φ = 9137463552.

The previous prime is 21322232389. The next prime is 21322232417. The reversal of 21322232414 is 41423222312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322232417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195482 + ... + 284354.

It is an arithmetic number, because the mean of its divisors is an integer number (2284683918).

Almost surely, 2^21322232414 is an apocalyptic number.

21322232414 is a deficient number, since it is larger than the sum of its proper divisors (15232710274).

21322232414 is a wasteful number, since it uses less digits than its factorization.

21322232414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106019.

The product of its digits is 4608, while the sum is 26.

Adding to 21322232414 its reverse (41423222312), we get a palindrome (62745454726).

The spelling of 21322232414 in words is "twenty-one billion, three hundred twenty-two million, two hundred thirty-two thousand, four hundred fourteen".