424343242 has 4 divisors (see below), whose sum is σ = 636514866. Its totient is φ = 212171620.

The previous prime is 424343219. The next prime is 424343243. The reversal of 424343242 is 242343424.

It is a happy number.

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., 337126321 + 87216921 = 18361^2 + 9339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 424343242.

It is not an unprimeable number, because it can be changed into a prime (424343243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106085809 + ... + 106085812.

Almost surely, 2^424343242 is an apocalyptic number.

424343242 is a deficient number, since it is larger than the sum of its proper divisors (212171624).

424343242 is a wasteful number, since it uses less digits than its factorization.

424343242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212171623.

The product of its digits is 18432, while the sum is 28.

The square root of 424343242 is about 20599.5932484115. The cubic root of 424343242 is about 751.4598186550.

Adding to 424343242 its reverse (242343424), we get a palindrome (666686666).

The spelling of 424343242 in words is "four hundred twenty-four million, three hundred forty-three thousand, two hundred forty-two".