422100330225205 has 4 divisors (see below), whose sum is σ = 506520396270252. Its totient is φ = 337680264180160.

The previous prime is 422100330225169. The next prime is 422100330225209. The reversal of 422100330225205 is 502522033001224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 313209080825796 + 108891249399409 = 17697714^2 + 10435097^2 .

It is not a de Polignac number, because 422100330225205 - 2⁹ = 422100330224693 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 (422100330225209) 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, 42210033022516 + ... + 42210033022525.

It is an arithmetic number, because the mean of its divisors is an integer number (126630099067563).

Almost surely, 2^{422100330225205} is an apocalyptic number.

It is an amenable number.

422100330225205 is a deficient number, since it is larger than the sum of its proper divisors (84420066045047).

422100330225205 is an equidigital number, since it uses as much as digits as its factorization.

422100330225205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84420066045046.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 422100330225205 its reverse (502522033001224), we get a palindrome (924622363226429).

The spelling of 422100330225205 in words is "four hundred twenty-two trillion, one hundred billion, three hundred thirty million, two hundred twenty-five thousand, two hundred five".