413220242 has 4 divisors (see below), whose sum is σ = 619830366. Its totient is φ = 206610120.

The previous prime is 413220233. The next prime is 413220253. The reversal of 413220242 is 242022314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 372528601 + 40691641 = 19301^2 + 6379^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 103305059 + ... + 103305062.

Almost surely, 2^413220242 is an apocalyptic number.

413220242 is a deficient number, since it is larger than the sum of its proper divisors (206610124).

413220242 is a wasteful number, since it uses less digits than its factorization.

413220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206610123.

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

The square root of 413220242 is about 20327.8194108468. The cubic root of 413220242 is about 744.8357772043.

Adding to 413220242 its reverse (242022314), we get a palindrome (655242556).

The spelling of 413220242 in words is "four hundred thirteen million, two hundred twenty thousand, two hundred forty-two".