2001130222 has 32 divisors (see below), whose sum is σ = 3764117952. Its totient is φ = 776715264.

The previous prime is 2001130213. The next prime is 2001130253. The reversal of 2001130222 is 2220311002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 94083 + ... + 113374.

It is an arithmetic number, because the mean of its divisors is an integer number (117628686).

Almost surely, 2^2001130222 is an apocalyptic number.

2001130222 is a deficient number, since it is larger than the sum of its proper divisors (1762987730).

2001130222 is a wasteful number, since it uses less digits than its factorization.

2001130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207532.

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

The square root of 2001130222 is about 44733.9940313851. The cubic root of 2001130222 is about 1260.1583369508.

Adding to 2001130222 its reverse (2220311002), we get a palindrome (4221441224).

The spelling of 2001130222 in words is "two billion, one million, one hundred thirty thousand, two hundred twenty-two".