498225221 has 8 divisors (see below), whose sum is σ = 536844504. Its totient is φ = 459648000.

The previous prime is 498225193. The next prime is 498225229. The reversal of 498225221 is 122522894.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19096900 + 479128321 = 4370^2 + 21889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498225221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498225229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16721 + ... + 35721.

It is an arithmetic number, because the mean of its divisors is an integer number (67105563).

Almost surely, 2^498225221 is an apocalyptic number.

It is an amenable number.

498225221 is a deficient number, since it is larger than the sum of its proper divisors (38619283).

498225221 is a wasteful number, since it uses less digits than its factorization.

498225221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21031.

The product of its digits is 23040, while the sum is 35.

The square root of 498225221 is about 22320.9592311800. The cubic root of 498225221 is about 792.7603173128.

It can be divided in two parts, 4982 and 25221, that added together give a palindrome (30203).

The spelling of 498225221 in words is "four hundred ninety-eight million, two hundred twenty-five thousand, two hundred twenty-one".