404230220 has 24 divisors (see below), whose sum is σ = 854098224. Its totient is φ = 160698816.

The previous prime is 404230219. The next prime is 404230231. The reversal of 404230220 is 22032404.

It is a super-2 number, since 2×404230220² = 326804141522496800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58739 + ... + 65258.

It is an arithmetic number, because the mean of its divisors is an integer number (35587426).

Almost surely, 2^404230220 is an apocalyptic number.

It is an amenable number.

404230220 is an abundant number, since it is smaller than the sum of its proper divisors (449868004).

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

404230220 is a wasteful number, since it uses less digits than its factorization.

404230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124169 (or 124167 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 404230220 is about 20105.4773631466. The cubic root of 404230220 is about 739.3945742039.

Adding to 404230220 its reverse (22032404), we get a palindrome (426262624).

The spelling of 404230220 in words is "four hundred four million, two hundred thirty thousand, two hundred twenty".