1243222022 has 32 divisors (see below), whose sum is σ = 2289216000. Its totient is φ = 504761544.

The previous prime is 1243222021. The next prime is 1243222031. The reversal of 1243222022 is 2202223421.

It is a junction number, because it is equal to n+sod(n) for n = 1243221985 and 1243222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243222021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34658 + ... + 60725.

It is an arithmetic number, because the mean of its divisors is an integer number (71538000).

Almost surely, 2^1243222022 is an apocalyptic number.

1243222022 is a deficient number, since it is larger than the sum of its proper divisors (1045993978).

1243222022 is an equidigital number, since it uses as much as digits as its factorization.

1243222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95425 (or 95411 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1243222022 is about 35259.3536809738. The cubic root of 1243222022 is about 1075.2667870750.

Adding to 1243222022 its reverse (2202223421), we get a palindrome (3445445443).

The spelling of 1243222022 in words is "one billion, two hundred forty-three million, two hundred twenty-two thousand, twenty-two".