1021222322 has 16 divisors (see below), whose sum is σ = 1539246240. Its totient is φ = 508146912.

The previous prime is 1021222313. The next prime is 1021222337. The reversal of 1021222322 is 2232221201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021222322.

It is an unprimeable number.

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, 425558 + ... + 427950.

It is an arithmetic number, because the mean of its divisors is an integer number (96202890).

Almost surely, 2^1021222322 is an apocalyptic number.

1021222322 is a deficient number, since it is larger than the sum of its proper divisors (518023918).

1021222322 is a wasteful number, since it uses less digits than its factorization.

1021222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337.

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

The square root of 1021222322 is about 31956.5693089856. The cubic root of 1021222322 is about 1007.0246461348.

Adding to 1021222322 its reverse (2232221201), we get a palindrome (3253443523).

The spelling of 1021222322 in words is "one billion, twenty-one million, two hundred twenty-two thousand, three hundred twenty-two".