222211023 has 16 divisors (see below), whose sum is σ = 312768000. Its totient is φ = 140330808.

The previous prime is 222211019. The next prime is 222211037. The reversal of 222211023 is 320112222.

It is a happy number.

It is not a de Polignac number, because 222211023 - 2² = 222211019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222210993 and 222211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213023) 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 15 ways as a sum of consecutive naturals, for example, 15178 + ... + 25976.

It is an arithmetic number, because the mean of its divisors is an integer number (19548000).

Almost surely, 2^222211023 is an apocalyptic number.

222211023 is a deficient number, since it is larger than the sum of its proper divisors (90556977).

222211023 is an equidigital number, since it uses as much as digits as its factorization.

222211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859 (or 10821 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222211023 is about 14906.7442119331. The cubic root of 222211023 is about 605.6966889378.

Adding to 222211023 its reverse (320112222), we get a palindrome (542323245).

The spelling of 222211023 in words is "two hundred twenty-two million, two hundred eleven thousand, twenty-three".