42225536665 has 16 divisors (see below), whose sum is σ = 54637789248. Its totient is φ = 31142275776.

The previous prime is 42225536659. The next prime is 42225536713. The reversal of 42225536665 is 56663552224.

It is a cyclic number.

It is not a de Polignac number, because 42225536665 - 2¹³ = 42225528473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361567 + ... + 463876.

It is an arithmetic number, because the mean of its divisors is an integer number (3414861828).

Almost surely, 2^42225536665 is an apocalyptic number.

It is an amenable number.

42225536665 is a deficient number, since it is larger than the sum of its proper divisors (12412252583).

42225536665 is a wasteful number, since it uses less digits than its factorization.

42225536665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826248.

The product of its digits is 2592000, while the sum is 46.

The spelling of 42225536665 in words is "forty-two billion, two hundred twenty-five million, five hundred thirty-six thousand, six hundred sixty-five".