422501825 has 12 divisors (see below), whose sum is σ = 524752128. Its totient is φ = 337453200.

The previous prime is 422501809. The next prime is 422501831. The reversal of 422501825 is 528105224.

It is not a de Polignac number, because 422501825 - 2⁴ = 422501809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2384 + ... + 29166.

It is an arithmetic number, because the mean of its divisors is an integer number (43729344).

Almost surely, 2^422501825 is an apocalyptic number.

It is an amenable number.

422501825 is a deficient number, since it is larger than the sum of its proper divisors (102250303).

422501825 is a wasteful number, since it uses less digits than its factorization.

422501825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27424 (or 27419 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 422501825 is about 20554.8491845598. The cubic root of 422501825 is about 750.3712680349.

The spelling of 422501825 in words is "four hundred twenty-two million, five hundred one thousand, eight hundred twenty-five".