422108501 has 4 divisors (see below), whose sum is σ = 422260332. Its totient is φ = 421956672.

The previous prime is 422108461. The next prime is 422108527. The reversal of 422108501 is 105801224.

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 342435025 + 79673476 = 18505^2 + 8926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422108501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422108201) 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, 71666 + ... + 77331.

It is an arithmetic number, because the mean of its divisors is an integer number (105565083).

Almost surely, 2^422108501 is an apocalyptic number.

It is an amenable number.

422108501 is a deficient number, since it is larger than the sum of its proper divisors (151831).

422108501 is a wasteful number, since it uses less digits than its factorization.

422108501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151830.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 422108501 is about 20545.2792874665. The cubic root of 422108501 is about 750.1383454421.

Adding to 422108501 its reverse (105801224), we get a palindrome (527909725).

The spelling of 422108501 in words is "four hundred twenty-two million, one hundred eight thousand, five hundred one".