1001230222 has 4 divisors (see below), whose sum is σ = 1501845336. Its totient is φ = 500615110.

The previous prime is 1001230207. The next prime is 1001230231. The reversal of 1001230222 is 2220321001.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 250307554 + ... + 250307557.

It is an arithmetic number, because the mean of its divisors is an integer number (375461334).

Almost surely, 2^1001230222 is an apocalyptic number.

1001230222 is a deficient number, since it is larger than the sum of its proper divisors (500615114).

1001230222 is an equidigital number, since it uses as much as digits as its factorization.

1001230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500615113.

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

The square root of 1001230222 is about 31642.2221406778. Note that the first 3 decimals coincide. The cubic root of 1001230222 is about 1000.4099059542.

Adding to 1001230222 its reverse (2220321001), we get a palindrome (3221551223).

The spelling of 1001230222 in words is "one billion, one million, two hundred thirty thousand, two hundred twenty-two".