322423520551 has 16 divisors (see below), whose sum is σ = 367545438720. Its totient is φ = 279972681120.

The previous prime is 322423520453. The next prime is 322423520579. The reversal of 322423520551 is 155025324223.

It is not a de Polignac number, because 322423520551 - 2¹⁷ = 322423389479 is a prime.

It is a super-2 number, since 2×322423520551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322423520581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719355 + ... + 1078108.

It is an arithmetic number, because the mean of its divisors is an integer number (22971589920).

Almost surely, 2^322423520551 is an apocalyptic number.

322423520551 is a deficient number, since it is larger than the sum of its proper divisors (45121918169).

322423520551 is a wasteful number, since it uses less digits than its factorization.

322423520551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798206.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 322423520551 its reverse (155025324223), we get a palindrome (477448844774).

The spelling of 322423520551 in words is "three hundred twenty-two billion, four hundred twenty-three million, five hundred twenty thousand, five hundred fifty-one".