422126028032665 has 16 divisors (see below), whose sum is σ = 570427195654656. Its totient is φ = 297097497734400.

The previous prime is 422126028032663. The next prime is 422126028032719. The reversal of 422126028032665 is 566230820621224.

It is not a de Polignac number, because 422126028032665 - 2¹ = 422126028032663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422126028032663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123790622352 + ... + 123790625761.

It is an arithmetic number, because the mean of its divisors is an integer number (35651699728416).

Almost surely, 2^{422126028032665} is an apocalyptic number.

It is an amenable number.

422126028032665 is a deficient number, since it is larger than the sum of its proper divisors (148301167621991).

422126028032665 is a wasteful number, since it uses less digits than its factorization.

422126028032665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247581248160.

The product of its (nonzero) digits is 3317760, while the sum is 49.

Adding to 422126028032665 its reverse (566230820621224), we get a palindrome (988356848653889).

The spelling of 422126028032665 in words is "four hundred twenty-two trillion, one hundred twenty-six billion, twenty-eight million, thirty-two thousand, six hundred sixty-five".