424103220 has 36 divisors (see below), whose sum is σ = 1286446980. Its totient is φ = 113094144.

The previous prime is 424103203. The next prime is 424103243. The reversal of 424103220 is 22301424.

It can be written as a sum of positive squares in 2 ways, for example, as 251285904 + 172817316 = 15852^2 + 13146^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 424103193 and 424103202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177885 + ... + 1178244.

Almost surely, 2^424103220 is an apocalyptic number.

It is an amenable number.

424103220 is an abundant number, since it is smaller than the sum of its proper divisors (862343760).

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

424103220 is a wasteful number, since it uses less digits than its factorization.

424103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356144 (or 2356139 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 424103220 is about 20593.7665326186. The cubic root of 424103220 is about 751.3181087620.

Adding to 424103220 its reverse (22301424), we get a palindrome (446404644).

The spelling of 424103220 in words is "four hundred twenty-four million, one hundred three thousand, two hundred twenty".