1021022222 has 8 divisors (see below), whose sum is σ = 1670763672. Its totient is φ = 464101000.

The previous prime is 1021022213. The next prime is 1021022257. The reversal of 1021022222 is 2222201201.

1021022222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1021022222 is a modest number, since divided by 22222 gives 10210 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1021022197 and 1021022206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23205029 + ... + 23205072.

It is an arithmetic number, because the mean of its divisors is an integer number (208845459).

Almost surely, 2^1021022222 is an apocalyptic number.

1021022222 is a deficient number, since it is larger than the sum of its proper divisors (649741450).

1021022222 is a wasteful number, since it uses less digits than its factorization.

1021022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46410114.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1021022222 is about 31953.4383439404. The cubic root of 1021022222 is about 1006.9588691438.

Adding to 1021022222 its reverse (2222201201), we get a palindrome (3243223423).

The spelling of 1021022222 in words is "one billion, twenty-one million, twenty-two thousand, two hundred twenty-two".