1223211022 has 24 divisors (see below), whose sum is σ = 2019463488. Its totient is φ = 555265920.

The previous prime is 1223210977. The next prime is 1223211023. The reversal of 1223211022 is 2201123221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223210987 and 1223211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223211023) 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 11 ways as a sum of consecutive naturals, for example, 205918 + ... + 211774.

It is an arithmetic number, because the mean of its divisors is an integer number (84144312).

Almost surely, 2^1223211022 is an apocalyptic number.

1223211022 is a deficient number, since it is larger than the sum of its proper divisors (796252466).

1223211022 is a wasteful number, since it uses less digits than its factorization.

1223211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744 (or 6733 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1223211022 is about 34974.4338338736. The cubic root of 1223211022 is about 1069.4663603914.

Adding to 1223211022 its reverse (2201123221), we get a palindrome (3424334243).

The spelling of 1223211022 in words is "one billion, two hundred twenty-three million, two hundred eleven thousand, twenty-two".