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223222242 = 2379470933
BaseRepresentation
bin11010100111000…
…01100111100010
3120120000212100110
431103201213202
5424121102432
634052232150
75350233465
oct1523414742
9516025313
10223222242
111050041a1
126290b656
1337328289
14219092dc
15148e4dcc
hexd4e19e2

223222242 has 16 divisors (see below), whose sum is σ = 452096640. Its totient is φ = 73465392.

The previous prime is 223222229. The next prime is 223222261. The reversal of 223222242 is 242222322.

223222242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2232222423 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234993 + ... + 235940.

It is an arithmetic number, because the mean of its divisors is an integer number (28256040).

Almost surely, 2223222242 is an apocalyptic number.

223222242 is an abundant number, since it is smaller than the sum of its proper divisors (228874398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223222242 is a wasteful number, since it uses less digits than its factorization.

223222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471017.

The product of its digits is 1536, while the sum is 21.

The square root of 223222242 is about 14940.6238825559. The cubic root of 223222242 is about 606.6140830459.

Adding to 223222242 its reverse (242222322), we get a palindrome (465444564).

The spelling of 223222242 in words is "two hundred twenty-three million, two hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 79 158 237 474 470933 941866 1412799 2825598 37203707 74407414 111611121 223222242