1022021222 has 8 divisors (see below), whose sum is σ = 1548210672. Its totient is φ = 505951000.

The previous prime is 1022021171. The next prime is 1022021239. The reversal of 1022021222 is 2221202201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1022021197 and 1022021206.

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, 2529554 + ... + 2529957.

It is an arithmetic number, because the mean of its divisors is an integer number (193526334).

Almost surely, 2^1022021222 is an apocalyptic number.

1022021222 is a deficient number, since it is larger than the sum of its proper divisors (526189450).

1022021222 is a wasteful number, since it uses less digits than its factorization.

1022021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059614.

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

The square root of 1022021222 is about 31969.0666426156. The cubic root of 1022021222 is about 1007.2871754177.

Adding to 1022021222 its reverse (2221202201), we get a palindrome (3243223423).

The spelling of 1022021222 in words is "one billion, twenty-two million, twenty-one thousand, two hundred twenty-two".