22421004211 has 4 divisors (see below), whose sum is σ = 22426164000. Its totient is φ = 22415844424.

The previous prime is 22421004173. The next prime is 22421004257. The reversal of 22421004211 is 11240012422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22421004211 - 2⁷ = 22421004083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22421074211) 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, 2573371 + ... + 2582068.

It is an arithmetic number, because the mean of its divisors is an integer number (5606541000).

Almost surely, 2^22421004211 is an apocalyptic number.

22421004211 is a deficient number, since it is larger than the sum of its proper divisors (5159789).

22421004211 is an equidigital number, since it uses as much as digits as its factorization.

22421004211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159788.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22421004211 its reverse (11240012422), we get a palindrome (33661016633).

The spelling of 22421004211 in words is "twenty-two billion, four hundred twenty-one million, four thousand, two hundred eleven".