422432651 has 4 divisors (see below), whose sum is σ = 440799312. Its totient is φ = 404065992.

The previous prime is 422432641. The next prime is 422432657. The reversal of 422432651 is 156234224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422432651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422432657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9183296 + ... + 9183341.

It is an arithmetic number, because the mean of its divisors is an integer number (110199828).

Almost surely, 2^422432651 is an apocalyptic number.

422432651 is a deficient number, since it is larger than the sum of its proper divisors (18366661).

422432651 is a wasteful number, since it uses less digits than its factorization.

422432651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366660.

The product of its digits is 11520, while the sum is 29.

The square root of 422432651 is about 20553.1664470465. The cubic root of 422432651 is about 750.3303143537.

Adding to 422432651 its reverse (156234224), we get a palindrome (578666875).

The spelling of 422432651 in words is "four hundred twenty-two million, four hundred thirty-two thousand, six hundred fifty-one".