634022433 has 24 divisors (see below), whose sum is σ = 1020329856. Its totient is φ = 376077600.

The previous prime is 634022387. The next prime is 634022449. The reversal of 634022433 is 334220436.

It is a happy number.

634022433 is a `hidden beast` number, since 634 + 0 + 2 + 24 + 3 + 3 = 666.

It is not a de Polignac number, because 634022433 - 2⁶ = 634022369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634022397 and 634022406.

It is not an unprimeable number, because it can be changed into a prime (634022933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63478 + ... + 72783.

It is an arithmetic number, because the mean of its divisors is an integer number (42513744).

Almost surely, 2^634022433 is an apocalyptic number.

It is an amenable number.

634022433 is a deficient number, since it is larger than the sum of its proper divisors (386307423).

634022433 is a wasteful number, since it uses less digits than its factorization.

634022433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136325 (or 136322 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 634022433 is about 25179.8020842103. The cubic root of 634022433 is about 859.0825049286.

Adding to 634022433 its reverse (334220436), we get a palindrome (968242869).

The spelling of 634022433 in words is "six hundred thirty-four million, twenty-two thousand, four hundred thirty-three".