21322000222 has 16 divisors (see below), whose sum is σ = 33717911760. Its totient is φ = 10084416192.

The previous prime is 21322000177. The next prime is 21322000243. The reversal of 21322000222 is 22200022312.

It is a junction number, because it is equal to n+sod(n) for n = 21322000196 and 21322000205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404823 + ... + 454450.

It is an arithmetic number, because the mean of its divisors is an integer number (2107369485).

Almost surely, 2^21322000222 is an apocalyptic number.

21322000222 is a deficient number, since it is larger than the sum of its proper divisors (12395911538).

21322000222 is a wasteful number, since it uses less digits than its factorization.

21322000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859947.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 21322000222 its reverse (22200022312), we get a palindrome (43522022534).

The spelling of 21322000222 in words is "twenty-one billion, three hundred twenty-two million, two hundred twenty-two", and thus it is an aban number.