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222023044 = 22397139813
BaseRepresentation
bin11010011101111…
…00110110000100
3120110202221100201
431032330312010
5423314214134
634010420244
75334110335
oct1516746604
9513687321
10222023044
11104365221
1262431684
1336cc84a9
14216b628c
1514759914
hexd3bcd84

222023044 has 12 divisors (see below), whose sum is σ = 389521804. Its totient is φ = 110731104.

The previous prime is 222023033. The next prime is 222023047. The reversal of 222023044 is 440320222.

222023044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 117983044 + 104040000 = 10862^2 + 10200^2 .

It is a super-3 number, since 3×2220230443 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (222023047) 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, 68319 + ... + 71494.

Almost surely, 2222023044 is an apocalyptic number.

It is an amenable number.

222023044 is a deficient number, since it is larger than the sum of its proper divisors (167498760).

222023044 is a wasteful number, since it uses less digits than its factorization.

222023044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140214 (or 140212 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222023044 is about 14900.4377116916. The cubic root of 222023044 is about 605.5258447593.

Adding to 222023044 its reverse (440320222), we get a palindrome (662343266).

It can be divided in two parts, 22 and 2023044, that added together give a triangular number (2023066 = T2011).

The spelling of 222023044 in words is "two hundred twenty-two million, twenty-three thousand, forty-four".

Divisors: 1 2 4 397 794 1588 139813 279626 559252 55505761 111011522 222023044