299423454822 has 160 divisors (see below), whose sum is σ = 715378910400. Its totient is φ = 93425778432.

The previous prime is 299423454719. The next prime is 299423454829. The reversal of 299423454822 is 228454324992.

299423454822 is a `hidden beast` number, since 2 + 9 + 9 + 42 + 34 + 548 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299423454829) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50928079 + ... + 50933957.

It is an arithmetic number, because the mean of its divisors is an integer number (4471118190).

Almost surely, 2^299423454822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299423454822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357689455200).

299423454822 is an abundant number, since it is smaller than the sum of its proper divisors (415955455578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299423454822 is a wasteful number, since it uses less digits than its factorization.

299423454822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252 (or 6243 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 299423454822 in words is "two hundred ninety-nine billion, four hundred twenty-three million, four hundred fifty-four thousand, eight hundred twenty-two".