22244303421 has 12 divisors (see below), whose sum is σ = 33527646048. Its totient is φ = 14184773064.

The previous prime is 22244303399. The next prime is 22244303449. The reversal of 22244303421 is 12430344222.

22244303421 is a `hidden beast` number, since 2 + 224 + 430 + 3 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 22244303421 - 2¹⁹ = 22243779133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244303461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53729995 + ... + 53730408.

It is an arithmetic number, because the mean of its divisors is an integer number (2793970504).

Almost surely, 2^22244303421 is an apocalyptic number.

It is an amenable number.

22244303421 is a deficient number, since it is larger than the sum of its proper divisors (11283342627).

22244303421 is a wasteful number, since it uses less digits than its factorization.

22244303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107460432 (or 107460429 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22244303421 its reverse (12430344222), we get a palindrome (34674647643).

It can be divided in two parts, 2224 and 4303421, that added together give a triangular number (4305645 = T₂₉₃₄).

The spelling of 22244303421 in words is "twenty-two billion, two hundred forty-four million, three hundred three thousand, four hundred twenty-one".