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2252228 = 2211173011
BaseRepresentation
bin1000100101110111000100
311020102110212
420211313010
51034032403
6120134552
725100156
oct10456704
94212425
102252228
1112a9150
12907458
1360b1a4
14428ad6
152e74d8
hex225dc4

2252228 has 24 divisors (see below), whose sum is σ = 4554144. Its totient is φ = 963200.

The previous prime is 2252221. The next prime is 2252231. The reversal of 2252228 is 8222522.

It is a happy number.

It is a super-5 number, since 5×22522285 (a number of 33 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (2252221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (189756).

22252228 is an apocalyptic number.

It is an amenable number.

2252228 is an abundant number, since it is smaller than the sum of its proper divisors (2301916).

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

2252228 is a wasteful number, since it uses less digits than its factorization.

2252228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043 (or 3041 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 2252228 is about 1500.7424829064. The cubic root of 2252228 is about 131.0803073814.

The spelling of 2252228 in words is "two million, two hundred fifty-two thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 3011 6022 12044 33121 51187 66242 102374 132484 204748 563057 1126114 2252228