21341004222 has 8 divisors (see below), whose sum is σ = 42682008456. Its totient is φ = 7113668072.

The previous prime is 21341004187. The next prime is 21341004277. The reversal of 21341004222 is 22240014312.

It is a sphenic number, since it is the product of 3 distinct primes.

21341004222 is an admirable number.

It is a super-2 number, since 2×21341004222² (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 3 ways as a sum of consecutive naturals, for example, 1778417013 + ... + 1778417024.

It is an arithmetic number, because the mean of its divisors is an integer number (5335251057).

Almost surely, 2^21341004222 is an apocalyptic number.

21341004222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21341004222 is a wasteful number, since it uses less digits than its factorization.

21341004222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556834042.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21341004222 its reverse (22240014312), we get a palindrome (43581018534).

The spelling of 21341004222 in words is "twenty-one billion, three hundred forty-one million, four thousand, two hundred twenty-two".