320022422551 has 8 divisors (see below), whose sum is σ = 344656385360. Its totient is φ = 295390867392.

The previous prime is 320022422549. The next prime is 320022422561. The reversal of 320022422551 is 155224220023.

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

It is a cyclic number.

It is not a de Polignac number, because 320022422551 - 2¹ = 320022422549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320022422561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320985 + ... + 862018.

It is an arithmetic number, because the mean of its divisors is an integer number (43082048170).

Almost surely, 2^320022422551 is an apocalyptic number.

320022422551 is a deficient number, since it is larger than the sum of its proper divisors (24633962809).

320022422551 is a wasteful number, since it uses less digits than its factorization.

320022422551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203825.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 320022422551 its reverse (155224220023), we get a palindrome (475246642574).

The spelling of 320022422551 in words is "three hundred twenty billion, twenty-two million, four hundred twenty-two thousand, five hundred fifty-one".