990201020222 has 8 divisors (see below), whose sum is σ = 1486004471616. Its totient is φ = 494866196352.

The previous prime is 990201020203. The next prime is 990201020227. The reversal of 990201020222 is 222020102099.

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 (990201020227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117151598 + ... + 117160049.

It is an arithmetic number, because the mean of its divisors is an integer number (185750558952).

Almost surely, 2^990201020222 is an apocalyptic number.

990201020222 is a deficient number, since it is larger than the sum of its proper divisors (495803451394).

990201020222 is a wasteful number, since it uses less digits than its factorization.

990201020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234313762.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 990201020222 in words is "nine hundred ninety billion, two hundred one million, twenty thousand, two hundred twenty-two".