404224130 has 16 divisors (see below), whose sum is σ = 770403960. Its totient is φ = 152178432.

The previous prime is 404224129. The next prime is 404224133. The reversal of 404224130 is 31422404.

It can be written as a sum of positive squares in 4 ways, for example, as 402042601 + 2181529 = 20051^2 + 1477^2 .

It is not an unprimeable number, because it can be changed into a prime (404224133) 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, 1188725 + ... + 1189064.

Almost surely, 2^404224130 is an apocalyptic number.

404224130 is a deficient number, since it is larger than the sum of its proper divisors (366179830).

404224130 is a wasteful number, since it uses less digits than its factorization.

404224130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377813.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404224130 is about 20105.3259113102. The cubic root of 404224130 is about 739.3908610265.

Adding to 404224130 its reverse (31422404), we get a palindrome (435646534).

The spelling of 404224130 in words is "four hundred four million, two hundred twenty-four thousand, one hundred thirty".