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122227 = 719919
BaseRepresentation
bin11101110101110011
320012122221
4131311303
512402402
62341511
71016230
oct356563
9205587
10122227
1183916
125a897
1343831
1432787
1526337
hex1dd73

122227 has 8 divisors (see below), whose sum is σ = 147200. Its totient is φ = 99144.

The previous prime is 122219. The next prime is 122231. The reversal of 122227 is 722221.

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

It is a cyclic number.

It is not a de Polignac number, because 122227 - 23 = 122219 is a prime.

It is a Duffinian number.

122227 is a lucky number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 122227.

It is not an unprimeable number, because it can be changed into a prime (122207) 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, 327 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (18400).

2122227 is an apocalyptic number.

122227 is a deficient number, since it is larger than the sum of its proper divisors (24973).

122227 is an equidigital number, since it uses as much as digits as its factorization.

122227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its digits is 112, while the sum is 16.

The square root of 122227 is about 349.6097824718. The cubic root of 122227 is about 49.6274984096.

Adding to 122227 its reverse (722221), we get a palindrome (844448).

The spelling of 122227 in words is "one hundred twenty-two thousand, two hundred twenty-seven", and thus it is an iban number.

Divisors: 1 7 19 133 919 6433 17461 122227