422085625 has 20 divisors (see below), whose sum is σ = 568021300. Its totient is φ = 311688000.

The previous prime is 422085613. The next prime is 422085641. The reversal of 422085625 is 526580224.

It can be written as a sum of positive squares in 10 ways, for example, as 412049401 + 10036224 = 20299^2 + 3168^2 .

It is not a de Polignac number, because 422085625 - 2¹³ = 422077433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17850 + ... + 34099.

It is an arithmetic number, because the mean of its divisors is an integer number (28401065).

Almost surely, 2^422085625 is an apocalyptic number.

It is an amenable number.

422085625 is a deficient number, since it is larger than the sum of its proper divisors (145935675).

422085625 is an equidigital number, since it uses as much as digits as its factorization.

422085625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51982 (or 51967 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 422085625 is about 20544.7225583603. The cubic root of 422085625 is about 750.1247940489.

The spelling of 422085625 in words is "four hundred twenty-two million, eighty-five thousand, six hundred twenty-five".