422909215 has 16 divisors (see below), whose sum is σ = 512418816. Its totient is φ = 335059200.

The previous prime is 422909183. The next prime is 422909237. The reversal of 422909215 is 512909224.

It is not a de Polignac number, because 422909215 - 2⁵ = 422909183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253474 + ... + 255136.

It is an arithmetic number, because the mean of its divisors is an integer number (32026176).

Almost surely, 2^422909215 is an apocalyptic number.

422909215 is a deficient number, since it is larger than the sum of its proper divisors (89509601).

422909215 is a wasteful number, since it uses less digits than its factorization.

422909215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 422909215 is about 20564.7566238942. The cubic root of 422909215 is about 750.6123680193.

Subtracting 422909215 from its reverse (512909224), we obtain a palindrome (90000009).

The spelling of 422909215 in words is "four hundred twenty-two million, nine hundred nine thousand, two hundred fifteen".