422555313 has 4 divisors (see below), whose sum is σ = 563407088. Its totient is φ = 281703540.

The previous prime is 422555261. The next prime is 422555323. The reversal of 422555313 is 313555224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422555313 - 2⁹ = 422554801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422555323) 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 3 ways as a sum of consecutive naturals, for example, 70425883 + ... + 70425888.

It is an arithmetic number, because the mean of its divisors is an integer number (140851772).

Almost surely, 2^422555313 is an apocalyptic number.

It is an amenable number.

422555313 is a deficient number, since it is larger than the sum of its proper divisors (140851775).

422555313 is a wasteful number, since it uses less digits than its factorization.

422555313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140851774.

The product of its digits is 18000, while the sum is 30.

The square root of 422555313 is about 20556.1502475537. The cubic root of 422555313 is about 750.4029319335.

The spelling of 422555313 in words is "four hundred twenty-two million, five hundred fifty-five thousand, three hundred thirteen".