422546305 has 8 divisors (see below), whose sum is σ = 536882472. Its totient is φ = 318152448.

The previous prime is 422546303. The next prime is 422546321. The reversal of 422546305 is 503645224.

It can be written as a sum of positive squares in 4 ways, for example, as 38229489 + 384316816 = 6183^2 + 19604^2 .

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 422546305 - 2¹ = 422546303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422546303) 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, 2485482 + ... + 2485651.

It is an arithmetic number, because the mean of its divisors is an integer number (67110309).

Almost surely, 2^422546305 is an apocalyptic number.

It is an amenable number.

422546305 is a deficient number, since it is larger than the sum of its proper divisors (114336167).

422546305 is a wasteful number, since it uses less digits than its factorization.

422546305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971155.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 422546305 is about 20555.9311392114. The cubic root of 422546305 is about 750.3975995526.

The spelling of 422546305 in words is "four hundred twenty-two million, five hundred forty-six thousand, three hundred five".