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228199322 = 2138776897
BaseRepresentation
bin11011001101000…
…00101110011010
3120220101201121202
431212200232122
5431404334242
634351034202
75440443101
oct1546405632
9526351552
10228199322
111078a358a
126450b962
133837b7b0
1422443038
1515079932
hexd9a0b9a

228199322 has 8 divisors (see below), whose sum is σ = 368629716. Its totient is φ = 105322752.

The previous prime is 228199297. The next prime is 228199327. The reversal of 228199322 is 223991822.

228199322 is digitally balanced in base 2, 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 227738281 + 461041 = 15091^2 + 679^2 .

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

It is a super-2 number, since 2×2281993222 = 104149861122519368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228199327) 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, 4388423 + ... + 4388474.

Almost surely, 2228199322 is an apocalyptic number.

228199322 is a deficient number, since it is larger than the sum of its proper divisors (140430394).

228199322 is a wasteful number, since it uses less digits than its factorization.

228199322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776912.

The product of its digits is 31104, while the sum is 38.

The square root of 228199322 is about 15106.2676396256. The cubic root of 228199322 is about 611.0894461104.

The spelling of 228199322 in words is "two hundred twenty-eight million, one hundred ninety-nine thousand, three hundred twenty-two".

Divisors: 1 2 13 26 8776897 17553794 114099661 228199322