1021322022 has 64 divisors (see below), whose sum is σ = 2488402944. Its totient is φ = 272793600.

The previous prime is 1021322017. The next prime is 1021322047. The reversal of 1021322022 is 2202231201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021321992 and 1021322010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103078 + ... + 112550.

It is an arithmetic number, because the mean of its divisors is an integer number (38881296).

Almost surely, 2^1021322022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021322022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244201472).

1021322022 is an abundant number, since it is smaller than the sum of its proper divisors (1467080922).

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

1021322022 is a wasteful number, since it uses less digits than its factorization.

1021322022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1021322022 is about 31958.1292005649. The cubic root of 1021322022 is about 1007.0574163710.

Adding to 1021322022 its reverse (2202231201), we get a palindrome (3223553223).

The spelling of 1021322022 in words is "one billion, twenty-one million, three hundred twenty-two thousand, twenty-two".