495222784 has 128 divisors (see below), whose sum is σ = 1207941120. Its totient is φ = 198180864.

The previous prime is 495222781. The next prime is 495222803. The reversal of 495222784 is 487222594.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 495222784.

It is not an unprimeable number, because it can be changed into a prime (495222781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3899329 + ... + 3899455.

It is an arithmetic number, because the mean of its divisors is an integer number (9437040).

Almost surely, 2^495222784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495222784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603970560).

495222784 is an abundant number, since it is smaller than the sum of its proper divisors (712718336).

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

495222784 is an equidigital number, since it uses as much as digits as its factorization.

495222784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 153 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 495222784 is about 22253.6015961462. The cubic root of 495222784 is about 791.1646465569.

The spelling of 495222784 in words is "four hundred ninety-five million, two hundred twenty-two thousand, seven hundred eighty-four".