422015 has 8 divisors (see below), whose sum is σ = 552528. Its totient is φ = 306880.

The previous prime is 421997. The next prime is 422029. The reversal of 422015 is 510224.

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

It is not a de Polignac number, because 422015 - 2¹⁶ = 356479 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782 + ... + 3891.

It is an arithmetic number, because the mean of its divisors is an integer number (69066).

2⁴²²⁰¹⁵ is an apocalyptic number.

422015 is a deficient number, since it is larger than the sum of its proper divisors (130513).

422015 is a wasteful number, since it uses less digits than its factorization.

422015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 422015 is about 649.6268159490. The cubic root of 422015 is about 75.0082953788.

Adding to 422015 its reverse (510224), we get a palindrome (932239).

Subtracting 422015 from its reverse (510224), we obtain a square (88209 = 297²).

The spelling of 422015 in words is "four hundred twenty-two thousand, fifteen".