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222214211 = 2974310313
BaseRepresentation
bin11010011111010…
…11100001000011
3120111010122120222
431033223201003
5423341323321
634014453255
75335534562
oct1517534103
9514118528
10222214211
1110448590a
126250422b
13370644cb
1421725bd9
15147963ab
hexd3eb843

222214211 has 8 divisors (see below), whose sum is σ = 230208480. Its totient is φ = 214242112.

The previous prime is 222214171. The next prime is 222214229. The reversal of 222214211 is 112412222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222214211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222214211.

It is not an unprimeable number, because it can be changed into a prime (222214271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16391 + ... + 26703.

It is an arithmetic number, because the mean of its divisors is an integer number (28776060).

Almost surely, 2222214211 is an apocalyptic number.

222214211 is a deficient number, since it is larger than the sum of its proper divisors (7994269).

222214211 is a wasteful number, since it uses less digits than its factorization.

222214211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085.

The product of its digits is 128, while the sum is 17.

The square root of 222214211 is about 14906.8511430147. The cubic root of 222214211 is about 605.6995855115.

Adding to 222214211 its reverse (112412222), we get a palindrome (334626433).

The spelling of 222214211 in words is "two hundred twenty-two million, two hundred fourteen thousand, two hundred eleven".

Divisors: 1 29 743 10313 21547 299077 7662559 222214211