222011222023 has 4 divisors (see below), whose sum is σ = 222014772760. Its totient is φ = 222007671288.

The previous prime is 222011221921. The next prime is 222011222089. The reversal of 222011222023 is 320222110222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011222023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011222423) 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, 1679868 + ... + 1807201.

It is an arithmetic number, because the mean of its divisors is an integer number (55503693190).

Almost surely, 2^222011222023 is an apocalyptic number.

222011222023 is a deficient number, since it is larger than the sum of its proper divisors (3550737).

222011222023 is an equidigital number, since it uses as much as digits as its factorization.

222011222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550736.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222011222023 its reverse (320222110222), we get a palindrome (542233332245).

The spelling of 222011222023 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, twenty-three".