422495547 has 4 divisors (see below), whose sum is σ = 563327400. Its totient is φ = 281663696.

The previous prime is 422495539. The next prime is 422495551. The reversal of 422495547 is 745594224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422495547 - 2³ = 422495539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422495499 and 422495508.

It is not an unprimeable number, because it can be changed into a prime (422495537) 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, 70415922 + ... + 70415927.

It is an arithmetic number, because the mean of its divisors is an integer number (140831850).

Almost surely, 2^422495547 is an apocalyptic number.

422495547 is a deficient number, since it is larger than the sum of its proper divisors (140831853).

422495547 is a wasteful number, since it uses less digits than its factorization.

422495547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140831852.

The product of its digits is 403200, while the sum is 42.

The square root of 422495547 is about 20554.6964706366. The cubic root of 422495547 is about 750.3675514008.

The spelling of 422495547 in words is "four hundred twenty-two million, four hundred ninety-five thousand, five hundred forty-seven".