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BaseRepresentation
bin1000011101000010010010
311011120220010
420131002102
51031403312
6115255350
724556611
oct10350222
94146803
102216082
111283a80
128aa556
135c78bb
14419878
152db93c
hex21d092

2216082 has 16 divisors (see below), whose sum is σ = 4835232. Its totient is φ = 671520.

The previous prime is 2216057. The next prime is 2216083. The reversal of 2216082 is 2806122.

It is a super-2 number, since 2×22160822 = 9822038861448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2216083) 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, 16723 + ... + 16854.

It is an arithmetic number, because the mean of its divisors is an integer number (302202).

22216082 is an apocalyptic number.

2216082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2216082 is an abundant number, since it is smaller than the sum of its proper divisors (2619150).

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

2216082 is a wasteful number, since it uses less digits than its factorization.

2216082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33593.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2216082 is about 1488.6510672417. The cubic root of 2216082 is about 130.3752863826.

The spelling of 2216082 in words is "two million, two hundred sixteen thousand, eighty-two".