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7222214 = 225714051
BaseRepresentation
bin11011100011001111000110
3111120221000102
4123203033012
53322102324
6414444102
7115250006
oct33431706
914527012
107222214
11409317a
122503632
13165b3cc
14d60006
15979dae
hex6e33c6

7222214 has 8 divisors (see below), whose sum is σ = 10876248. Its totient is φ = 3596800.

The previous prime is 7222199. The next prime is 7222219. The reversal of 7222214 is 4122227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222219) 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, 6512 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (1359531).

Almost surely, 27222214 is an apocalyptic number.

7222214 is a deficient number, since it is larger than the sum of its proper divisors (3654034).

7222214 is a wasteful number, since it uses less digits than its factorization.

7222214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14310.

The product of its digits is 448, while the sum is 20.

The square root of 7222214 is about 2687.4177196707. The cubic root of 7222214 is about 193.2962599015.

The spelling of 7222214 in words is "seven million, two hundred twenty-two thousand, two hundred fourteen".

Divisors: 1 2 257 514 14051 28102 3611107 7222214