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222144434 = 21039106903
BaseRepresentation
bin11010011110110…
…10011110110010
3120111000002212122
431033122132302
5423332110214
634013154242
75335124261
oct1517323662
9514002778
10222144434
11104438446
126248b982
133703b815
14217085d8
151478088e
hexd3da7b2

222144434 has 8 divisors (see below), whose sum is σ = 333540480. Its totient is φ = 110964276.

The previous prime is 222144431. The next prime is 222144443. The reversal of 222144434 is 434441222.

It is a happy number.

222144434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222144431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51374 + ... + 55529.

It is an arithmetic number, because the mean of its divisors is an integer number (41692560).

Almost surely, 2222144434 is an apocalyptic number.

222144434 is a deficient number, since it is larger than the sum of its proper divisors (111396046).

222144434 is a wasteful number, since it uses less digits than its factorization.

222144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107944.

The product of its digits is 6144, while the sum is 26.

The square root of 222144434 is about 14904.5105253410. The cubic root of 222144434 is about 605.6361807390.

Adding to 222144434 its reverse (434441222), we get a palindrome (656585656).

The spelling of 222144434 in words is "two hundred twenty-two million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 1039 2078 106903 213806 111072217 222144434