1001002222 has 16 divisors (see below), whose sum is σ = 1694487600. Its totient is φ = 439311040.

The previous prime is 1001002217. The next prime is 1001002229. The reversal of 1001002222 is 2222001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001002199 and 1001002208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001002229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 783847 + ... + 785122.

It is an arithmetic number, because the mean of its divisors is an integer number (105905475).

Almost surely, 2^1001002222 is an apocalyptic number.

1001002222 is a deficient number, since it is larger than the sum of its proper divisors (693485378).

1001002222 is a wasteful number, since it uses less digits than its factorization.

1001002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569011.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1001002222 is about 31638.6191544448. The cubic root of 1001002222 is about 1000.3339624567. Note that the first 3 decimals are identical.

Adding to 1001002222 its reverse (2222001001), we get a palindrome (3223003223).

The spelling of 1001002222 in words is "one billion, one million, two thousand, two hundred twenty-two".