422725539 has 8 divisors (see below), whose sum is σ = 577381392. Its totient is φ = 274943360.

The previous prime is 422725453. The next prime is 422725571. The reversal of 422725539 is 935527224.

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

It is a cyclic number.

It is not a de Polignac number, because 422725539 - 2⁷ = 422725411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422725497 and 422725506.

It is not an unprimeable number, because it can be changed into a prime (422725339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718274 + ... + 1718519.

It is an arithmetic number, because the mean of its divisors is an integer number (72172674).

Almost surely, 2^422725539 is an apocalyptic number.

422725539 is a deficient number, since it is larger than the sum of its proper divisors (154655853).

422725539 is a wasteful number, since it uses less digits than its factorization.

422725539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436837.

The product of its digits is 151200, while the sum is 39.

The square root of 422725539 is about 20560.2903432807. The cubic root of 422725539 is about 750.5036847709.

The spelling of 422725539 in words is "four hundred twenty-two million, seven hundred twenty-five thousand, five hundred thirty-nine".