422015415 has 16 divisors (see below), whose sum is σ = 687966048. Its totient is φ = 220827776.

The previous prime is 422015389. The next prime is 422015417. The reversal of 422015415 is 514510224.

It is a cyclic number.

It is not a de Polignac number, because 422015415 - 2⁸ = 422015159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422015417) 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 15 ways as a sum of consecutive naturals, for example, 264624 + ... + 266213.

It is an arithmetic number, because the mean of its divisors is an integer number (42997878).

Almost surely, 2^422015415 is an apocalyptic number.

422015415 is a deficient number, since it is larger than the sum of its proper divisors (265950633).

422015415 is a wasteful number, since it uses less digits than its factorization.

422015415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530898.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 422015415 is about 20543.0137759775. The cubic root of 422015415 is about 750.0831996590.

Adding to 422015415 its reverse (514510224), we get a palindrome (936525639).

The spelling of 422015415 in words is "four hundred twenty-two million, fifteen thousand, four hundred fifteen".