1022322221 has 8 divisors (see below), whose sum is σ = 1030288800. Its totient is φ = 1014379632.

The previous prime is 1022322211. The next prime is 1022322229. The reversal of 1022322221 is 1222232201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022322221 - 2⁶ = 1022322157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022322229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84830 + ... + 96128.

It is an arithmetic number, because the mean of its divisors is an integer number (128786100).

Almost surely, 2^1022322221 is an apocalyptic number.

It is an amenable number.

1022322221 is a deficient number, since it is larger than the sum of its proper divisors (7966579).

1022322221 is a wasteful number, since it uses less digits than its factorization.

1022322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11995.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022322221 is about 31973.7739561660. The cubic root of 1022322221 is about 1007.3860522531.

Adding to 1022322221 its reverse (1222232201), we get a palindrome (2244554422).

The spelling of 1022322221 in words is "one billion, twenty-two million, three hundred twenty-two thousand, two hundred twenty-one".