22212232033 has 4 divisors (see below), whose sum is σ = 22250072880. Its totient is φ = 22174391188.

The previous prime is 22212231997. The next prime is 22212232039. The reversal of 22212232033 is 33023221222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33023221222 = 2 ⋅16511610611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212232033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212231995 and 22212232013.

It is not an unprimeable number, because it can be changed into a prime (22212232039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18919543 + ... + 18920716.

It is an arithmetic number, because the mean of its divisors is an integer number (5562518220).

Almost surely, 2^22212232033 is an apocalyptic number.

It is an amenable number.

22212232033 is a deficient number, since it is larger than the sum of its proper divisors (37840847).

22212232033 is an equidigital number, since it uses as much as digits as its factorization.

22212232033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37840846.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22212232033 its reverse (33023221222), we get a palindrome (55235453255).

The spelling of 22212232033 in words is "twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, thirty-three".