21033200422 has 8 divisors (see below), whose sum is σ = 33976708416. Its totient is φ = 9707630952.

The previous prime is 21033200401. The next prime is 21033200423. The reversal of 21033200422 is 22400233012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21033200422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033200423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404484598 + ... + 404484649.

It is an arithmetic number, because the mean of its divisors is an integer number (4247088552).

Almost surely, 2^21033200422 is an apocalyptic number.

21033200422 is a deficient number, since it is larger than the sum of its proper divisors (12943507994).

21033200422 is a wasteful number, since it uses less digits than its factorization.

21033200422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808969262.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21033200422 its reverse (22400233012), we get a palindrome (43433433434).

The spelling of 21033200422 in words is "twenty-one billion, thirty-three million, two hundred thousand, four hundred twenty-two".