22301423221 has 32 divisors (see below), whose sum is σ = 28537021440. Its totient is φ = 16925673600.

The previous prime is 22301423203. The next prime is 22301423237. The reversal of 22301423221 is 12232410322.

It is not a de Polignac number, because 22301423221 - 2¹³ = 22301415029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22301423192 and 22301423201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301423201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434866 + ... + 483436.

It is an arithmetic number, because the mean of its divisors is an integer number (891781920).

Almost surely, 2^22301423221 is an apocalyptic number.

It is an amenable number.

22301423221 is a deficient number, since it is larger than the sum of its proper divisors (6235598219).

22301423221 is a wasteful number, since it uses less digits than its factorization.

22301423221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48745.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22301423221 its reverse (12232410322), we get a palindrome (34533833543).

The spelling of 22301423221 in words is "twenty-two billion, three hundred one million, four hundred twenty-three thousand, two hundred twenty-one".