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422224213 = 1922222327
BaseRepresentation
bin11001001010101…
…010000101010101
31002102111012201211
4121022222011111
51331042133323
6105521421421
713314563245
oct3112520525
91072435654
10422224213
111a7375334
12b949a871
1369623218
144010bb25
152710370d
hex192aa155

422224213 has 4 divisors (see below), whose sum is σ = 444446560. Its totient is φ = 400001868.

The previous prime is 422224211. The next prime is 422224241. The reversal of 422224213 is 312422224.

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 a cyclic number.

It is not a de Polignac number, because 422224213 - 21 = 422224211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422224211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11111145 + ... + 11111182.

It is an arithmetic number, because the mean of its divisors is an integer number (111111640).

Almost surely, 2422224213 is an apocalyptic number.

It is an amenable number.

422224213 is a deficient number, since it is larger than the sum of its proper divisors (22222347).

422224213 is a wasteful number, since it uses less digits than its factorization.

422224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222346.

The product of its digits is 1536, while the sum is 22.

The square root of 422224213 is about 20548.0951185262. The cubic root of 422224213 is about 750.2068839638.

Adding to 422224213 its reverse (312422224), we get a palindrome (734646437).

The spelling of 422224213 in words is "four hundred twenty-two million, two hundred twenty-four thousand, two hundred thirteen".

Divisors: 1 19 22222327 422224213