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2202284 = 22778653
BaseRepresentation
bin1000011001101010101100
311010212222002
420121222230
51030433114
6115111432
724501440
oct10315254
94125862
102202284
111274677
128a2578
135c1536
14414820
152d77de
hex219aac

2202284 has 12 divisors (see below), whose sum is σ = 4404624. Its totient is φ = 943824.

The previous prime is 2202269. The next prime is 2202287. The reversal of 2202284 is 4822022.

2202284 is an admirable number.

It is a super-3 number, since 3×22022843 = 32043594365533326912, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2202287) 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, 39299 + ... + 39354.

It is an arithmetic number, because the mean of its divisors is an integer number (367052).

22202284 is an apocalyptic number.

It is an amenable number.

2202284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2202284 is a wasteful number, since it uses less digits than its factorization.

2202284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78664 (or 78662 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2202284 is about 1484.0094339323. The cubic root of 2202284 is about 130.1041374649.

The spelling of 2202284 in words is "two million, two hundred two thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 78653 157306 314612 550571 1101142 2202284