422100215 has 8 divisors (see below), whose sum is σ = 516077568. Its totient is φ = 331308640.

The previous prime is 422100197. The next prime is 422100223. The reversal of 422100215 is 512001224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422100215 - 2¹⁰ = 422099191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422100193 and 422100202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 796151 + ... + 796680.

It is an arithmetic number, because the mean of its divisors is an integer number (64509696).

Almost surely, 2^422100215 is an apocalyptic number.

422100215 is a deficient number, since it is larger than the sum of its proper divisors (93977353).

422100215 is a wasteful number, since it uses less digits than its factorization.

422100215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592889.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 422100215 is about 20545.0776343143. The cubic root of 422100215 is about 750.1334369988.

Adding to 422100215 its reverse (512001224), we get a palindrome (934101439).

The spelling of 422100215 in words is "four hundred twenty-two million, one hundred thousand, two hundred fifteen".