1001322022 has 16 divisors (see below), whose sum is σ = 1511219952. Its totient is φ = 497589120.

The previous prime is 1001321999. The next prime is 1001322029. The reversal of 1001322022 is 2202231001.

It is a junction number, because it is equal to n+sod(n) for n = 1001321993 and 1001322011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001322029) 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, 434778 + ... + 437074.

It is an arithmetic number, because the mean of its divisors is an integer number (94451247).

Almost surely, 2^1001322022 is an apocalyptic number.

1001322022 is a deficient number, since it is larger than the sum of its proper divisors (509897930).

1001322022 is a wasteful number, since it uses less digits than its factorization.

1001322022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1001322022 is about 31643.6727008734. The cubic root of 1001322022 is about 1000.4404799489.

Adding to 1001322022 its reverse (2202231001), we get a palindrome (3203553023).

The spelling of 1001322022 in words is "one billion, one million, three hundred twenty-two thousand, twenty-two".