422836425 has 36 divisors (see below), whose sum is σ = 826201584. Its totient is φ = 205010400.

The previous prime is 422836423. The next prime is 422836441. The reversal of 422836425 is 524638224.

422836425 is a `hidden beast` number, since 4 + 2 + 2 + 8 + 3 + 642 + 5 = 666.

It is not a de Polignac number, because 422836425 - 2¹ = 422836423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422836425.

It is not an unprimeable number, because it can be changed into a prime (422836423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82947 + ... + 87896.

It is an arithmetic number, because the mean of its divisors is an integer number (22950044).

Almost surely, 2^422836425 is an apocalyptic number.

422836425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422836425 is a deficient number, since it is larger than the sum of its proper divisors (403365159).

422836425 is a wasteful number, since it uses less digits than its factorization.

422836425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170870 (or 170862 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 422836425 is about 20562.9867723539. The cubic root of 422836425 is about 750.5693010857.

The spelling of 422836425 in words is "four hundred twenty-two million, eight hundred thirty-six thousand, four hundred twenty-five".