Search a number
-
+
222012233 = 962323071
BaseRepresentation
bin11010011101110…
…10001101001001
3120110202101112022
431032322031021
5423313342413
634010254225
75334033662
oct1516721511
9513671468
10222012233
11104358093
1262427375
1336cc35b1
14216b2369
1514756608
hexd3ba349

222012233 has 4 divisors (see below), whose sum is σ = 222044928. Its totient is φ = 221979540.

The previous prime is 222012229. The next prime is 222012251. The reversal of 222012233 is 332210222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332210222 = 2166105111.

It is a cyclic number.

It is not a de Polignac number, because 222012233 - 22 = 222012229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913 + ... + 21158.

It is an arithmetic number, because the mean of its divisors is an integer number (55511232).

Almost surely, 2222012233 is an apocalyptic number.

It is an amenable number.

222012233 is a deficient number, since it is larger than the sum of its proper divisors (32695).

222012233 is an equidigital number, since it uses as much as digits as its factorization.

222012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32694.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222012233 is about 14900.0749326975. The cubic root of 222012233 is about 605.5160162807.

Adding to 222012233 its reverse (332210222), we get a palindrome (554222455).

The spelling of 222012233 in words is "two hundred twenty-two million, twelve thousand, two hundred thirty-three".

Divisors: 1 9623 23071 222012233