1000022022 has 48 divisors (see below), whose sum is σ = 2359422000. Its totient is φ = 304903872.

The previous prime is 1000021987. The next prime is 1000022027. The reversal of 1000022022 is 2202200001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000021995 and 1000022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40497 + ... + 60332.

It is an arithmetic number, because the mean of its divisors is an integer number (49154625).

Almost surely, 2^1000022022 is an apocalyptic number.

1000022022 is an abundant number, since it is smaller than the sum of its proper divisors (1359399978).

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

1000022022 is a wasteful number, since it uses less digits than its factorization.

1000022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100885 (or 100882 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1000022022 is about 31623.1247981600. The cubic root of 1000022022 is about 1000.0073406128.

Adding to 1000022022 its reverse (2202200001), we get a palindrome (3202222023).

The spelling of 1000022022 in words is "one billion, twenty-two thousand, twenty-two".