22212122001233 has 4 divisors (see below), whose sum is σ = 22213033142640. Its totient is φ = 22211210859828.

The previous prime is 22212122001187. The next prime is 22212122001257. The reversal of 22212122001233 is 33210022121222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22212122001233 - 2¹⁶ = 22212121935697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212122001199 and 22212122001208.

It is not an unprimeable number, because it can be changed into a prime (22212122001283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455534135 + ... + 455582892.

It is an arithmetic number, because the mean of its divisors is an integer number (5553258285660).

Almost surely, 2^{22212122001233} is an apocalyptic number.

It is an amenable number.

22212122001233 is a deficient number, since it is larger than the sum of its proper divisors (911141407).

22212122001233 is an equidigital number, since it uses as much as digits as its factorization.

22212122001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911141406.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22212122001233 its reverse (33210022121222), we get a palindrome (55422144122455).

The spelling of 22212122001233 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, one thousand, two hundred thirty-three".