22022230321 has 24 divisors (see below), whose sum is σ = 28792473920. Its totient is φ = 16399210752.

The previous prime is 22022230303. The next prime is 22022230357. The reversal of 22022230321 is 12303222022.

It is not a de Polignac number, because 22022230321 - 2¹⁵ = 22022197553 is a prime.

It is a super-2 number, since 2×22022230321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022230121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392391 + ... + 444988.

Almost surely, 2^22022230321 is an apocalyptic number.

It is an amenable number.

22022230321 is a deficient number, since it is larger than the sum of its proper divisors (6770243599).

22022230321 is a wasteful number, since it uses less digits than its factorization.

22022230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837433 (or 837416 counting only the distinct ones).

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

Adding to 22022230321 its reverse (12303222022), we get a palindrome (34325452343).

The spelling of 22022230321 in words is "twenty-two billion, twenty-two million, two hundred thirty thousand, three hundred twenty-one".