22331223201 has 40 divisors (see below), whose sum is σ = 35674611584. Its totient is φ = 12415667040.

The previous prime is 22331223199. The next prime is 22331223217. The reversal of 22331223201 is 10232213322.

It is a happy number.

It is not a de Polignac number, because 22331223201 - 2¹ = 22331223199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331223281) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 224616 + ... + 308406.

Almost surely, 2^22331223201 is an apocalyptic number.

22331223201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22331223201 is a deficient number, since it is larger than the sum of its proper divisors (13343388383).

22331223201 is an frugal number, since it uses more digits than its factorization.

22331223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83859 (or 83838 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22331223201 its reverse (10232213322), we get a palindrome (32563436523).

The spelling of 22331223201 in words is "twenty-two billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred one".