422500555 has 4 divisors (see below), whose sum is σ = 507000672. Its totient is φ = 338000440.

The previous prime is 422500553. The next prime is 422500583. The reversal of 422500555 is 555005224.

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

It is not a de Polignac number, because 422500555 - 2¹ = 422500553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422500553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42250051 + ... + 42250060.

It is an arithmetic number, because the mean of its divisors is an integer number (126750168).

Almost surely, 2^422500555 is an apocalyptic number.

422500555 is a deficient number, since it is larger than the sum of its proper divisors (84500117).

422500555 is an equidigital number, since it uses as much as digits as its factorization.

422500555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84500116.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 422500555 is about 20554.8182915831. The cubic root of 422500555 is about 750.3705161861.

Adding to 422500555 its reverse (555005224), we get a palindrome (977505779).

The spelling of 422500555 in words is "four hundred twenty-two million, five hundred thousand, five hundred fifty-five".