1000131223222 has 8 divisors (see below), whose sum is σ = 1500298718472. Its totient is φ = 500031650400.

The previous prime is 1000131223121. The next prime is 1000131223241. The reversal of 1000131223222 is 2223221310001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1000131223222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000131223222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16943779 + ... + 17002702.

It is an arithmetic number, because the mean of its divisors is an integer number (187537339809).

Almost surely, 2^{1000131223222} is an apocalyptic number.

1000131223222 is a deficient number, since it is larger than the sum of its proper divisors (500167495250).

1000131223222 is a wasteful number, since it uses less digits than its factorization.

1000131223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33961214.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1000131223222 its reverse (2223221310001), we get a palindrome (3223352533223).

The spelling of 1000131223222 in words is "one trillion, one hundred thirty-one million, two hundred twenty-three thousand, two hundred twenty-two".