320225522 has 8 divisors (see below), whose sum is σ = 481017900. Its totient is φ = 159886224.

The previous prime is 320225519. The next prime is 320225551. The reversal of 320225522 is 225522023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 320087881 + 137641 = 17891^2 + 371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111497 + ... + 114332.

Almost surely, 2^320225522 is an apocalyptic number.

320225522 is a deficient number, since it is larger than the sum of its proper divisors (160792378).

320225522 is a wasteful number, since it uses less digits than its factorization.

320225522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226540.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 320225522 is about 17894.8462413065. The cubic root of 320225522 is about 684.1510231030.

Adding to 320225522 its reverse (225522023), we get a palindrome (545747545).

The spelling of 320225522 in words is "three hundred twenty million, two hundred twenty-five thousand, five hundred twenty-two".