1001223210 has 64 divisors (see below), whose sum is σ = 2626468992. Its totient is φ = 242770176.

The previous prime is 1001223163. The next prime is 1001223227. The reversal of 1001223210 is 123221001.

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 31 ways as a sum of consecutive naturals, for example, 6972 + ... + 45288.

It is an arithmetic number, because the mean of its divisors is an integer number (41038578).

Almost surely, 2^1001223210 is an apocalyptic number.

1001223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001223210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313234496).

1001223210 is an abundant number, since it is smaller than the sum of its proper divisors (1625245782).

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

1001223210 is a wasteful number, since it uses less digits than its factorization.

1001223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38407.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1001223210 is about 31642.1113391632. Note that the first 3 decimals coincide. The cubic root of 1001223210 is about 1000.4075705304.

Adding to 1001223210 its reverse (123221001), we get a palindrome (1124444211).

The spelling of 1001223210 in words is "one billion, one million, two hundred twenty-three thousand, two hundred ten".