1001200222238 has 8 divisors (see below), whose sum is σ = 1504496565432. Its totient is φ = 499701367096.

The previous prime is 1001200222237. The next prime is 1001200222273. The reversal of 1001200222238 is 8322220021001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001200222237) 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 3 ways as a sum of consecutive naturals, for example, 449370620 + ... + 449372847.

It is an arithmetic number, because the mean of its divisors is an integer number (188062070679).

Almost surely, 2^{1001200222238} is an apocalyptic number.

1001200222238 is a deficient number, since it is larger than the sum of its proper divisors (503296343194).

1001200222238 is an equidigital number, since it uses as much as digits as its factorization.

1001200222238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898744026.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1001200222238 its reverse (8322220021001), we get a palindrome (9323420243239).

The spelling of 1001200222238 in words is "one trillion, one billion, two hundred million, two hundred twenty-two thousand, two hundred thirty-eight".