422180425 has 6 divisors (see below), whose sum is σ = 523503758. Its totient is φ = 337744320.

The previous prime is 422180401. The next prime is 422180441. The reversal of 422180425 is 524081224.

It can be written as a sum of positive squares in 3 ways, for example, as 2913849 + 419266576 = 1707^2 + 20476^2 .

It is not a de Polignac number, because 422180425 - 2⁵ = 422180393 is a prime.

It is a super-2 number, since 2×422180425² = 356472622506361250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422180393 and 422180402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8443584 + ... + 8443633.

Almost surely, 2^422180425 is an apocalyptic number.

It is an amenable number.

422180425 is a deficient number, since it is larger than the sum of its proper divisors (101323333).

422180425 is a wasteful number, since it uses less digits than its factorization.

422180425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16887227 (or 16887222 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 422180425 is about 20547.0295906732. The cubic root of 422180425 is about 750.1809489324.

The spelling of 422180425 in words is "four hundred twenty-two million, one hundred eighty thousand, four hundred twenty-five".