21413403222 has 16 divisors (see below), whose sum is σ = 42909013872. Its totient is φ = 7124099840.

The previous prime is 21413403197. The next prime is 21413403251. The reversal of 21413403222 is 22230431412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21413403192 and 21413403201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3421923 + ... + 3428174.

It is an arithmetic number, because the mean of its divisors is an integer number (2681813367).

Almost surely, 2^21413403222 is an apocalyptic number.

21413403222 is an abundant number, since it is smaller than the sum of its proper divisors (21495610650).

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

21413403222 is a wasteful number, since it uses less digits than its factorization.

21413403222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850623.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21413403222 its reverse (22230431412), we get a palindrome (43643834634).

The spelling of 21413403222 in words is "twenty-one billion, four hundred thirteen million, four hundred three thousand, two hundred twenty-two".