422369725506 has 8 divisors (see below), whose sum is σ = 844739451024. Its totient is φ = 140789908500.

The previous prime is 422369725501. The next prime is 422369725537. The reversal of 422369725506 is 605527963224.

It is a sphenic number, since it is the product of 3 distinct primes.

422369725506 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422369725501) 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, 35197477120 + ... + 35197477131.

It is an arithmetic number, because the mean of its divisors is an integer number (105592431378).

Almost surely, 2^422369725506 is an apocalyptic number.

422369725506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422369725506 is a wasteful number, since it uses less digits than its factorization.

422369725506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70394954256.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 422369725506 in words is "four hundred twenty-two billion, three hundred sixty-nine million, seven hundred twenty-five thousand, five hundred six".