422251845 has 16 divisors (see below), whose sum is σ = 680140800. Its totient is φ = 223688384.

The previous prime is 422251813. The next prime is 422251883. The reversal of 422251845 is 548152224.

It is a cyclic number.

It is not a de Polignac number, because 422251845 - 2⁵ = 422251813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92229 + ... + 96698.

It is an arithmetic number, because the mean of its divisors is an integer number (42508800).

Almost surely, 2^422251845 is an apocalyptic number.

It is an amenable number.

422251845 is a deficient number, since it is larger than the sum of its proper divisors (257888955).

422251845 is a wasteful number, since it uses less digits than its factorization.

422251845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189084.

The product of its digits is 25600, while the sum is 33.

The square root of 422251845 is about 20548.7674812870. The cubic root of 422251845 is about 750.2232490954.

The spelling of 422251845 in words is "four hundred twenty-two million, two hundred fifty-one thousand, eight hundred forty-five".