422500605 has 16 divisors (see below), whose sum is σ = 678396480. Its totient is φ = 224535168.

The previous prime is 422500597. The next prime is 422500633. The reversal of 422500605 is 506005224.

It is not a de Polignac number, because 422500605 - 2³ = 422500597 is a prime.

It is a super-2 number, since 2×422500605² = 357013522450732050, which contains 22 as substring.

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, 45520 + ... + 54009.

It is an arithmetic number, because the mean of its divisors is an integer number (42399780).

Almost surely, 2^422500605 is an apocalyptic number.

It is an amenable number.

422500605 is a deficient number, since it is larger than the sum of its proper divisors (255895875).

422500605 is a wasteful number, since it uses less digits than its factorization.

422500605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99820.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 422500605 is about 20554.8195078429. The cubic root of 422500605 is about 750.3705457865.

Adding to 422500605 its reverse (506005224), we get a palindrome (928505829).

The spelling of 422500605 in words is "four hundred twenty-two million, five hundred thousand, six hundred five".