320217201622 has 4 divisors (see below), whose sum is σ = 480325802436. Its totient is φ = 160108600810.

The previous prime is 320217201587. The next prime is 320217201637. The reversal of 320217201622 is 226102712023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226102712023 = 293 ⋅771681611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80054300404 + ... + 80054300407.

It is an arithmetic number, because the mean of its divisors is an integer number (120081450609).

Almost surely, 2^320217201622 is an apocalyptic number.

320217201622 is a deficient number, since it is larger than the sum of its proper divisors (160108600814).

320217201622 is a wasteful number, since it uses less digits than its factorization.

320217201622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160108600813.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 320217201622 its reverse (226102712023), we get a palindrome (546319913645).

The spelling of 320217201622 in words is "three hundred twenty billion, two hundred seventeen million, two hundred one thousand, six hundred twenty-two".