422185585537 has 4 divisors (see below), whose sum is σ = 422199787860. Its totient is φ = 422171383216.

The previous prime is 422185585517. The next prime is 422185585559. The reversal of 422185585537 is 735585581224.

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 130430044801 + 291755540736 = 361151^2 + 540144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422185585537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422185585517) 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, 7056478 + ... + 7116055.

It is an arithmetic number, because the mean of its divisors is an integer number (105549946965).

Almost surely, 2^422185585537 is an apocalyptic number.

It is an amenable number.

422185585537 is a deficient number, since it is larger than the sum of its proper divisors (14202323).

422185585537 is a wasteful number, since it uses less digits than its factorization.

422185585537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202322.

The product of its digits is 13440000, while the sum is 55.

The spelling of 422185585537 in words is "four hundred twenty-two billion, one hundred eighty-five million, five hundred eighty-five thousand, five hundred thirty-seven".