422606687618955 has 32 divisors (see below), whose sum is σ = 772796263016448. Its totient is φ = 193184191497600.

The previous prime is 422606687618953. The next prime is 422606687618959. The reversal of 422606687618955 is 559816786606224.

It is not a de Polignac number, because 422606687618955 - 2¹ = 422606687618953 is a prime.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (422606687618953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74729091 + ... + 80185100.

It is an arithmetic number, because the mean of its divisors is an integer number (24149883219264).

Almost surely, 2^{422606687618955} is an apocalyptic number.

422606687618955 is a deficient number, since it is larger than the sum of its proper divisors (350189575397493).

422606687618955 is a wasteful number, since it uses less digits than its factorization.

422606687618955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154940187.

The product of its (nonzero) digits is 2090188800, while the sum is 75.

The spelling of 422606687618955 in words is "four hundred twenty-two trillion, six hundred six billion, six hundred eighty-seven million, six hundred eighteen thousand, nine hundred fifty-five".