320422051 has 2 divisors, whose sum is σ = 320422052. Its totient is φ = 320422050.

The previous prime is 320422043. The next prime is 320422121. The reversal of 320422051 is 150224023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320422051 - 2³ = 320422043 is a prime.

It is not a weakly prime, because it can be changed into another prime (320422021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160211025 + 160211026.

It is an arithmetic number, because the mean of its divisors is an integer number (160211026).

Almost surely, 2^320422051 is an apocalyptic number.

320422051 is a deficient number, since it is larger than the sum of its proper divisors (1).

320422051 is an equidigital number, since it uses as much as digits as its factorization.

320422051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 320422051 is about 17900.3366169466. The cubic root of 320422051 is about 684.2909536733.

Adding to 320422051 its reverse (150224023), we get a palindrome (470646074).

The spelling of 320422051 in words is "three hundred twenty million, four hundred twenty-two thousand, fifty-one".