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223230122 = 2111615061
BaseRepresentation
bin11010100111000…
…11100010101010
3120120001021011022
431103203202222
5424121330442
634052332442
75350265453
oct1523434252
9516037138
10223230122
1110500a105
1262914122
133732ba3b
142190c12a
15148e73d2
hexd4e38aa

223230122 has 4 divisors (see below), whose sum is σ = 334845186. Its totient is φ = 111615060.

The previous prime is 223230109. The next prime is 223230127. The reversal of 223230122 is 221032322.

223230122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 205091041 + 18139081 = 14321^2 + 4259^2 .

It is a super-3 number, since 3×2232301223 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223230122.

It is not an unprimeable number, because it can be changed into a prime (223230127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55807529 + ... + 55807532.

Almost surely, 2223230122 is an apocalyptic number.

223230122 is a deficient number, since it is larger than the sum of its proper divisors (111615064).

223230122 is a wasteful number, since it uses less digits than its factorization.

223230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111615063.

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

The square root of 223230122 is about 14940.8875907692. The cubic root of 223230122 is about 606.6212210184.

Adding to 223230122 its reverse (221032322), we get a palindrome (444262444).

The spelling of 223230122 in words is "two hundred twenty-three million, two hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 111615061 223230122