2211222023 has 4 divisors (see below), whose sum is σ = 2211325368. Its totient is φ = 2211118680.

The previous prime is 2211221989. The next prime is 2211222029. The reversal of 2211222023 is 3202221122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2211222023 - 2¹⁴ = 2211205639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211221992 and 2211222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6293 + ... + 66798.

It is an arithmetic number, because the mean of its divisors is an integer number (552831342).

Almost surely, 2^2211222023 is an apocalyptic number.

2211222023 is a deficient number, since it is larger than the sum of its proper divisors (103345).

2211222023 is an equidigital number, since it uses as much as digits as its factorization.

2211222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103344.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2211222023 is about 47023.6326010656. The cubic root of 2211222023 is about 1302.7991015165.

Adding to 2211222023 its reverse (3202221122), we get a palindrome (5413443145).

Subtracting 2211222023 from its reverse (3202221122), we obtain a palindrome (990999099).

The spelling of 2211222023 in words is "two billion, two hundred eleven million, two hundred twenty-two thousand, twenty-three".