21410442222 has 32 divisors (see below), whose sum is σ = 46120378752. Its totient is φ = 6587031264.

The previous prime is 21410442199. The next prime is 21410442233. The reversal of 21410442222 is 22224401412.

It is a happy number.

It is a super-2 number, since 2×21410442222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21410442192 and 21410442201.

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, 1197553 + ... + 1215299.

It is an arithmetic number, because the mean of its divisors is an integer number (1441261836).

Almost surely, 2^21410442222 is an apocalyptic number.

21410442222 is an abundant number, since it is smaller than the sum of its proper divisors (24709936530).

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

21410442222 is a wasteful number, since it uses less digits than its factorization.

21410442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33232.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 21410442222 its reverse (22224401412), we get a palindrome (43634843634).

The spelling of 21410442222 in words is "twenty-one billion, four hundred ten million, four hundred forty-two thousand, two hundred twenty-two".