422660501 has 4 divisors (see below), whose sum is σ = 423110604. Its totient is φ = 422210400.

The previous prime is 422660461. The next prime is 422660533. The reversal of 422660501 is 105066224.

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 361038001 + 61622500 = 19001^2 + 7850^2 .

It is a cyclic number.

It is not a de Polignac number, because 422660501 - 2²² = 418466197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422660551) 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 3 ways as a sum of consecutive naturals, for example, 223640 + ... + 225521.

It is an arithmetic number, because the mean of its divisors is an integer number (105777651).

Almost surely, 2^422660501 is an apocalyptic number.

It is an amenable number.

422660501 is a deficient number, since it is larger than the sum of its proper divisors (450103).

422660501 is an equidigital number, since it uses as much as digits as its factorization.

422660501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450102.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 422660501 is about 20558.7086413520. The cubic root of 422660501 is about 750.4651934745.

The spelling of 422660501 in words is "four hundred twenty-two million, six hundred sixty thousand, five hundred one".