22031333201 has 4 divisors (see below), whose sum is σ = 22109736804. Its totient is φ = 21952929600.

The previous prime is 22031333179. The next prime is 22031333227. The reversal of 22031333201 is 10233313022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10233313022 = 2 ⋅5116656511.

It can be written as a sum of positive squares in 2 ways, for example, as 15441790225 + 6589542976 = 124265^2 + 81176^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031333201 - 2¹⁰ = 22031332177 is a prime.

It is a super-2 number, since 2×22031333201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031333251) 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 3 ways as a sum of consecutive naturals, for example, 39201380 + ... + 39201941.

It is an arithmetic number, because the mean of its divisors is an integer number (5527434201).

Almost surely, 2^22031333201 is an apocalyptic number.

It is an amenable number.

22031333201 is a deficient number, since it is larger than the sum of its proper divisors (78403603).

22031333201 is an equidigital number, since it uses as much as digits as its factorization.

22031333201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78403602.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 22031333201 its reverse (10233313022), we get a palindrome (32264646223).

The spelling of 22031333201 in words is "twenty-two billion, thirty-one million, three hundred thirty-three thousand, two hundred one".