422720578932 has 12 divisors (see below), whose sum is σ = 986348017536. Its totient is φ = 140906859640.

The previous prime is 422720578913. The next prime is 422720578939. The reversal of 422720578932 is 239875027224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422720578939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17613357444 + ... + 17613357467.

It is an arithmetic number, because the mean of its divisors is an integer number (82195668128).

Almost surely, 2^422720578932 is an apocalyptic number.

It is an amenable number.

422720578932 is an abundant number, since it is smaller than the sum of its proper divisors (563627438604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422720578932 is a wasteful number, since it uses less digits than its factorization.

422720578932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35226714918 (or 35226714916 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 422720578932 in words is "four hundred twenty-two billion, seven hundred twenty million, five hundred seventy-eight thousand, nine hundred thirty-two".