Search a number
-
+
222225555 = 35531392011
BaseRepresentation
bin11010011111011…
…10010010010011
3120111011020011010
431033232102103
5423342204210
634015022003
75335612626
oct1517562223
9514136133
10222225555
11104493392
126250a903
1337069716
1421729dbd
1514799920
hexd3ee493

222225555 has 32 divisors (see below), whose sum is σ = 365057280. Its totient is φ = 115390080.

The previous prime is 222225529. The next prime is 222225569. The reversal of 222225555 is 555522222.

It is not a de Polignac number, because 222225555 - 26 = 222225491 is a prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109500 + ... + 111510.

It is an arithmetic number, because the mean of its divisors is an integer number (11408040).

Almost surely, 2222225555 is an apocalyptic number.

222225555 is a deficient number, since it is larger than the sum of its proper divisors (142831725).

222225555 is a wasteful number, since it uses less digits than its factorization.

222225555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its digits is 20000, while the sum is 30.

The square root of 222225555 is about 14907.2316343445. The cubic root of 222225555 is about 605.7098922918.

Adding to 222225555 its reverse (555522222), we get a palindrome (777747777).

The spelling of 222225555 in words is "two hundred twenty-two million, two hundred twenty-five thousand, five hundred fifty-five".

Divisors: 1 3 5 15 53 139 159 265 417 695 795 2011 2085 6033 7367 10055 22101 30165 36835 106583 110505 279529 319749 532915 838587 1397645 1598745 4192935 14815037 44445111 74075185 222225555