425305222 has 16 divisors (see below), whose sum is σ = 642933072. Its totient is φ = 211000320.

The previous prime is 425305211. The next prime is 425305249. The reversal of 425305222 is 222503524.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 175197 + ... + 177607.

It is an arithmetic number, because the mean of its divisors is an integer number (40183317).

Almost surely, 2^425305222 is an apocalyptic number.

425305222 is a deficient number, since it is larger than the sum of its proper divisors (217627850).

425305222 is a wasteful number, since it uses less digits than its factorization.

425305222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 425305222 is about 20622.9295203179. The cubic root of 425305222 is about 752.0272396105.

Adding to 425305222 its reverse (222503524), we get a palindrome (647808746).

The spelling of 425305222 in words is "four hundred twenty-five million, three hundred five thousand, two hundred twenty-two".