424148218 has 8 divisors (see below), whose sum is σ = 685162548. Its totient is φ = 195760704.

The previous prime is 424148213. The next prime is 424148243. The reversal of 424148218 is 812841424.

It can be written as a sum of positive squares in 2 ways, for example, as 414244609 + 9903609 = 20353^2 + 3147^2 .

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

It is not an unprimeable number, because it can be changed into a prime (424148213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8156671 + ... + 8156722.

Almost surely, 2^424148218 is an apocalyptic number.

424148218 is a deficient number, since it is larger than the sum of its proper divisors (261014330).

424148218 is a wasteful number, since it uses less digits than its factorization.

424148218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16313408.

The product of its digits is 16384, while the sum is 34.

The square root of 424148218 is about 20594.8590186969. The cubic root of 424148218 is about 751.3446798222.

The spelling of 424148218 in words is "four hundred twenty-four million, one hundred forty-eight thousand, two hundred eighteen".