1022322222 has 80 divisors (see below), whose sum is σ = 2342796192. Its totient is φ = 333123840.

The previous prime is 1022322211. The next prime is 1022322229. The reversal of 1022322222 is 2222232201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1022322195 and 1022322204.

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 39 ways as a sum of consecutive naturals, for example, 1619847 + ... + 1620477.

Almost surely, 2^1022322222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022322222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171398096).

1022322222 is an abundant number, since it is smaller than the sum of its proper divisors (1320473970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022322222 is a wasteful number, since it uses less digits than its factorization.

1022322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1022322222 is about 31973.7739718038. The cubic root of 1022322222 is about 1007.3860525816.

Adding to 1022322222 its reverse (2222232201), we get a palindrome (3244554423).

The spelling of 1022322222 in words is "one billion, twenty-two million, three hundred twenty-two thousand, two hundred twenty-two".