422400314421 has 12 divisors (see below), whose sum is σ = 618491785548. Its totient is φ = 277742672064.

The previous prime is 422400314419. The next prime is 422400314467. The reversal of 422400314421 is 124413004224.

422400314421 is a `hidden beast` number, since 4 + 224 + 0 + 0 + 3 + 14 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 141515154225 + 280885160196 = 376185^2 + 529986^2 .

It is not a de Polignac number, because 422400314421 - 2¹ = 422400314419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422400314521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321460770 + ... + 321462083.

It is an arithmetic number, because the mean of its divisors is an integer number (51540982129).

Almost surely, 2^422400314421 is an apocalyptic number.

It is an amenable number.

422400314421 is a deficient number, since it is larger than the sum of its proper divisors (196091471127).

422400314421 is a wasteful number, since it uses less digits than its factorization.

422400314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642922932 (or 642922929 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 422400314421 its reverse (124413004224), we get a palindrome (546813318645).

The spelling of 422400314421 in words is "four hundred twenty-two billion, four hundred million, three hundred fourteen thousand, four hundred twenty-one".