413121224 has 8 divisors (see below), whose sum is σ = 774602310. Its totient is φ = 206560608.

The previous prime is 413121217. The next prime is 413121229. The reversal of 413121224 is 422121314.

It can be written as a sum of positive squares in only one way, i.e., 407313124 + 5808100 = 20182^2 + 2410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 413121196 and 413121205.

It is not an unprimeable number, because it can be changed into a prime (413121229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25820069 + ... + 25820084.

Almost surely, 2^413121224 is an apocalyptic number.

It is an amenable number.

413121224 is a deficient number, since it is larger than the sum of its proper divisors (361481086).

413121224 is a wasteful number, since it uses less digits than its factorization.

413121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51640159 (or 51640155 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 413121224 is about 20325.3837356149. The cubic root of 413121224 is about 744.7762786341.

Adding to 413121224 its reverse (422121314), we get a palindrome (835242538).

The spelling of 413121224 in words is "four hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-four".