990222001202 has 16 divisors (see below), whose sum is σ = 1699386815232. Its totient is φ = 423915011520.

The previous prime is 990222001141. The next prime is 990222001253. The reversal of 990222001202 is 202100222099.

It is a super-2 number, since 2×990222001202² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 38807303 + ... + 38832810.

It is an arithmetic number, because the mean of its divisors is an integer number (106211675952).

Almost surely, 2^990222001202 is an apocalyptic number.

990222001202 is a deficient number, since it is larger than the sum of its proper divisors (709164814030).

990222001202 is a wasteful number, since it uses less digits than its factorization.

990222001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77641033.

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

The spelling of 990222001202 in words is "nine hundred ninety billion, two hundred twenty-two million, one thousand, two hundred two".