1021244222 has 32 divisors (see below), whose sum is σ = 1641185280. Its totient is φ = 475544160.

The previous prime is 1021244207. The next prime is 1021244261. The reversal of 1021244222 is 2224421201.

It is a junction number, because it is equal to n+sod(n) for n = 1021244194 and 1021244203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687893 + ... + 689375.

It is an arithmetic number, because the mean of its divisors is an integer number (51287040).

Almost surely, 2^1021244222 is an apocalyptic number.

1021244222 is a deficient number, since it is larger than the sum of its proper divisors (619941058).

1021244222 is a wasteful number, since it uses less digits than its factorization.

1021244222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1021244222 is about 31956.9119596997. The cubic root of 1021244222 is about 1007.0318445941.

Adding to 1021244222 its reverse (2224421201), we get a palindrome (3245665423).

The spelling of 1021244222 in words is "one billion, twenty-one million, two hundred forty-four thousand, two hundred twenty-two".