422552015 has 4 divisors (see below), whose sum is σ = 507062424. Its totient is φ = 338041608.

The previous prime is 422551999. The next prime is 422552033. The reversal of 422552015 is 510255224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422552015 - 2⁴ = 422551999 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 42255197 + ... + 42255206.

It is an arithmetic number, because the mean of its divisors is an integer number (126765606).

Almost surely, 2^422552015 is an apocalyptic number.

422552015 is a deficient number, since it is larger than the sum of its proper divisors (84510409).

422552015 is an equidigital number, since it uses as much as digits as its factorization.

422552015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84510408.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 422552015 is about 20556.0700280963. The cubic root of 422552015 is about 750.4009796563.

The spelling of 422552015 in words is "four hundred twenty-two million, five hundred fifty-two thousand, fifteen".