22210044421 has 4 divisors (see below), whose sum is σ = 22271911200. Its totient is φ = 22148177644.

The previous prime is 22210044419. The next prime is 22210044443. The reversal of 22210044421 is 12444001222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22210044421 - 2¹ = 22210044419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22210044392 and 22210044401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210044491) 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, 30932851 + ... + 30933568.

It is an arithmetic number, because the mean of its divisors is an integer number (5567977800).

Almost surely, 2^22210044421 is an apocalyptic number.

It is an amenable number.

22210044421 is a deficient number, since it is larger than the sum of its proper divisors (61866779).

22210044421 is an equidigital number, since it uses as much as digits as its factorization.

22210044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61866778.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22210044421 its reverse (12444001222), we get a palindrome (34654045643).

The spelling of 22210044421 in words is "twenty-two billion, two hundred ten million, forty-four thousand, four hundred twenty-one".