422512133 has 4 divisors (see below), whose sum is σ = 423545580. Its totient is φ = 421478688.

The previous prime is 422512121. The next prime is 422512147. The reversal of 422512133 is 331215224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 298011169 + 124500964 = 17263^2 + 11158^2 .

It is a cyclic number.

It is not a de Polignac number, because 422512133 - 2⁸ = 422511877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422512099 and 422512108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422512193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516110 + ... + 516927.

It is an arithmetic number, because the mean of its divisors is an integer number (105886395).

Almost surely, 2^422512133 is an apocalyptic number.

It is an amenable number.

422512133 is a deficient number, since it is larger than the sum of its proper divisors (1033447).

422512133 is a wasteful number, since it uses less digits than its factorization.

422512133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033446.

The product of its digits is 1440, while the sum is 23.

The square root of 422512133 is about 20555.0999267822. The cubic root of 422512133 is about 750.3773703866.

Adding to 422512133 its reverse (331215224), we get a palindrome (753727357).

The spelling of 422512133 in words is "four hundred twenty-two million, five hundred twelve thousand, one hundred thirty-three".