422405330512221 has 48 divisors (see below), whose sum is σ = 741689760283200. Its totient is φ = 236820239169696.

The previous prime is 422405330512157. The next prime is 422405330512273. The reversal of 422405330512221 is 122215033504224.

422405330512221 is a `hidden beast` number, since 4 + 2 + 2 + 40 + 53 + 30 + 512 + 2 + 21 = 666.

It is not a de Polignac number, because 422405330512221 - 2⁶ = 422405330512157 is a prime.

It is a super-2 number, since 2×422405330512221² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422405330512421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3011990311 + ... + 3012130548.

It is an arithmetic number, because the mean of its divisors is an integer number (15451870005900).

Almost surely, 2^{422405330512221} is an apocalyptic number.

It is an amenable number.

422405330512221 is a deficient number, since it is larger than the sum of its proper divisors (319284429770979).

422405330512221 is a wasteful number, since it uses less digits than its factorization.

422405330512221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024120935 (or 6024120922 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 422405330512221 in words is "four hundred twenty-two trillion, four hundred five billion, three hundred thirty million, five hundred twelve thousand, two hundred twenty-one".