23322213221 has 16 divisors (see below), whose sum is σ = 24326706240. Its totient is φ = 22331406720.

The previous prime is 23322213199. The next prime is 23322213251. The reversal of 23322213221 is 12231222332.

It is a cyclic number.

It is not a de Polignac number, because 23322213221 - 2¹⁸ = 23321951077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322213251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5126870 + ... + 5131416.

It is an arithmetic number, because the mean of its divisors is an integer number (1520419140).

Almost surely, 2^23322213221 is an apocalyptic number.

It is an amenable number.

23322213221 is a deficient number, since it is larger than the sum of its proper divisors (1004493019).

23322213221 is a wasteful number, since it uses less digits than its factorization.

23322213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004.

The product of its digits is 1728, while the sum is 23.

Adding to 23322213221 its reverse (12231222332), we get a palindrome (35553435553).

The spelling of 23322213221 in words is "twenty-three billion, three hundred twenty-two million, two hundred thirteen thousand, two hundred twenty-one".