1001200022 has 32 divisors (see below), whose sum is σ = 1607040000. Its totient is φ = 466442496.

The previous prime is 1001200019. The next prime is 1001200043. The reversal of 1001200022 is 2200021001.

It is a junction number, because it is equal to n+sod(n) for n = 1001199982 and 1001200009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077254 + ... + 1078182.

It is an arithmetic number, because the mean of its divisors is an integer number (50220000).

Almost surely, 2^1001200022 is an apocalyptic number.

1001200022 is a deficient number, since it is larger than the sum of its proper divisors (605839978).

1001200022 is a wasteful number, since it uses less digits than its factorization.

1001200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1001200022 is about 31641.7449265997. The cubic root of 1001200022 is about 1000.3998474341.

Adding to 1001200022 its reverse (2200021001), we get a palindrome (3201221023).

The spelling of 1001200022 in words is "one billion, one million, two hundred thousand, twenty-two".