999298223 has 24 divisors (see below), whose sum is σ = 1262027424. Its totient is φ = 774512640.

The previous prime is 999298213. The next prime is 999298229. The reversal of 999298223 is 322892999.

It is a happy number.

999298223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-999298223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999298229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160415 + ... + 166527.

It is an arithmetic number, because the mean of its divisors is an integer number (52584476).

Almost surely, 2^999298223 is an apocalyptic number.

999298223 is a deficient number, since it is larger than the sum of its proper divisors (262729201).

999298223 is a wasteful number, since it uses less digits than its factorization.

999298223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335 (or 6324 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 53.

The square root of 999298223 is about 31611.6785856114. The cubic root of 999298223 is about 999.7660195908.

The spelling of 999298223 in words is "nine hundred ninety-nine million, two hundred ninety-eight thousand, two hundred twenty-three".