320222053 has 4 divisors (see below), whose sum is σ = 323159980. Its totient is φ = 317284128.

The previous prime is 320222041. The next prime is 320222057. The reversal of 320222053 is 350222023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 237375649 + 82846404 = 15407^2 + 9102^2 .

It is a cyclic number.

It is not a de Polignac number, because 320222053 - 2²¹ = 318124901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320222053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320222057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468800 + ... + 1469017.

It is an arithmetic number, because the mean of its divisors is an integer number (80789995).

Almost surely, 2^320222053 is an apocalyptic number.

It is an amenable number.

320222053 is a deficient number, since it is larger than the sum of its proper divisors (2937927).

320222053 is a wasteful number, since it uses less digits than its factorization.

320222053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937926.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 320222053 is about 17894.7493136953. The cubic root of 320222053 is about 684.1485526269.

Adding to 320222053 its reverse (350222023), we get a palindrome (670444076).

The spelling of 320222053 in words is "three hundred twenty million, two hundred twenty-two thousand, fifty-three".