422425233 has 32 divisors (see below), whose sum is σ = 660867200. Its totient is φ = 266677920.

The previous prime is 422425217. The next prime is 422425259. The reversal of 422425233 is 332524224.

It is a happy number.

422425233 is a `hidden beast` number, since 4 + 2 + 2 + 425 + 233 = 666.

It is not a de Polignac number, because 422425233 - 2⁴ = 422425217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422425197 and 422425206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422427233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184053 + ... + 186333.

It is an arithmetic number, because the mean of its divisors is an integer number (20652100).

Almost surely, 2^422425233 is an apocalyptic number.

It is an amenable number.

422425233 is a deficient number, since it is larger than the sum of its proper divisors (238441967).

422425233 is an equidigital number, since it uses as much as digits as its factorization.

422425233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2303 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 422425233 is about 20552.9859874423. The cubic root of 422425233 is about 750.3259223456.

Adding to 422425233 its reverse (332524224), we get a palindrome (754949457).

The spelling of 422425233 in words is "four hundred twenty-two million, four hundred twenty-five thousand, two hundred thirty-three".