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2228272 = 24139267
BaseRepresentation
bin1000100000000000110000
311012012121121
420200000300
51032301042
6115432024
724640264
oct10400060
94165547
102228272
111292152
128b5614
13600307
144200a4
152e0367
hex220030

2228272 has 10 divisors (see below), whose sum is σ = 4317308. Its totient is φ = 1114128.

The previous prime is 2228243. The next prime is 2228299. The reversal of 2228272 is 2728222.

It is a happy number.

It is a super-2 number, since 2×22282722 = 9930392211968, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69618 + ... + 69649.

22228272 is an apocalyptic number.

It is an amenable number.

2228272 is a deficient number, since it is larger than the sum of its proper divisors (2089036).

2228272 is a wasteful number, since it uses less digits than its factorization.

2228272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139275 (or 139269 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 2228272 is about 1492.7397629862. The cubic root of 2228272 is about 130.6139011349.

It can be divided in two parts, 2228 and 272, that added together give a square (2500 = 502).

The spelling of 2228272 in words is "two million, two hundred twenty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 139267 278534 557068 1114136 2228272