425223242 has 4 divisors (see below), whose sum is σ = 637834866. Its totient is φ = 212611620.

The previous prime is 425223229. The next prime is 425223247. The reversal of 425223242 is 242322524.

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., 422261401 + 2961841 = 20549^2 + 1721^2 .

It is not an unprimeable number, because it can be changed into a prime (425223247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106305809 + ... + 106305812.

Almost surely, 2^425223242 is an apocalyptic number.

425223242 is a deficient number, since it is larger than the sum of its proper divisors (212611624).

425223242 is a wasteful number, since it uses less digits than its factorization.

425223242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212611623.

The product of its digits is 7680, while the sum is 26.

The square root of 425223242 is about 20620.9418310610. The cubic root of 425223242 is about 751.9789173299.

Adding to 425223242 its reverse (242322524), we get a palindrome (667545766).

The spelling of 425223242 in words is "four hundred twenty-five million, two hundred twenty-three thousand, two hundred forty-two".