422720578933 has 4 divisors (see below), whose sum is σ = 422920827648. Its totient is φ = 422520330220.

The previous prime is 422720578913. The next prime is 422720578939. The reversal of 422720578933 is 339875027224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422720578933 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 (422720578939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100121191 + ... + 100125412.

It is an arithmetic number, because the mean of its divisors is an integer number (105730206912).

Almost surely, 2^422720578933 is an apocalyptic number.

It is an amenable number.

422720578933 is a deficient number, since it is larger than the sum of its proper divisors (200248715).

422720578933 is a wasteful number, since it uses less digits than its factorization.

422720578933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200248714.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 422720578933 in words is "four hundred twenty-two billion, seven hundred twenty million, five hundred seventy-eight thousand, nine hundred thirty-three".