899990222099997 has 16 divisors (see below), whose sum is σ = 1415652822474752. Its totient is φ = 497690445400560.

The previous prime is 899990222099959. The next prime is 899990222100007. The reversal of 899990222099997 is 799990222099998.

It is not a de Polignac number, because 899990222099997 - 2⁸ = 899990222099741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (93).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 899990222099997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899990222099897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691236729073 + ... + 691236730374.

It is an arithmetic number, because the mean of its divisors is an integer number (88478301404672).

Almost surely, 2^{899990222099997} is an apocalyptic number.

It is an amenable number.

899990222099997 is a deficient number, since it is larger than the sum of its proper divisors (515662600374755).

899990222099997 is a wasteful number, since it uses less digits than its factorization.

899990222099997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382473459488.

The product of its (nonzero) digits is 19284931008, while the sum is 93.

Subtracting from 899990222099997 its reverse (799990222099998), we obtain a palindrome (99999999999999).

The spelling of 899990222099997 in words is "eight hundred ninety-nine trillion, nine hundred ninety billion, two hundred twenty-two million, ninety-nine thousand, nine hundred ninety-seven".