427822825 has 6 divisors (see below), whose sum is σ = 530500334. Its totient is φ = 342258240.

The previous prime is 427822807. The next prime is 427822831. The reversal of 427822825 is 528228724.

It can be written as a sum of positive squares in 3 ways, for example, as 96983104 + 330839721 = 9848^2 + 18189^2 .

It is not a de Polignac number, because 427822825 - 2⁹ = 427822313 is a prime.

It is a Duffinian number.

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, 8556432 + ... + 8556481.

Almost surely, 2^427822825 is an apocalyptic number.

It is an amenable number.

427822825 is a deficient number, since it is larger than the sum of its proper divisors (102677509).

427822825 is a wasteful number, since it uses less digits than its factorization.

427822825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17112923 (or 17112918 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The square root of 427822825 is about 20683.8783839008. The cubic root of 427822825 is about 753.5082014804.

The spelling of 427822825 in words is "four hundred twenty-seven million, eight hundred twenty-two thousand, eight hundred twenty-five".