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22898 = 21072
BaseRepresentation
bin101100101110010
31011102002
411211302
51213043
6254002
7123521
oct54562
934362
1022898
1116227
1211302
13a565
1484b8
156bb8
hex5972

22898 has 6 divisors (see below), whose sum is σ = 34671. Its totient is φ = 11342.

The previous prime is 22877. The next prime is 22901. The reversal of 22898 is 89822.

It can be written as a sum of positive squares in only one way, i.e., 11449 + 11449 = 107^2 + 107^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=107.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22898.

It is an unprimeable number.

22898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 161 + ... + 267.

222898 is an apocalyptic number.

22898 is a deficient number, since it is larger than the sum of its proper divisors (11773).

22898 is an equidigital number, since it uses as much as digits as its factorization.

22898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 109 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 22898 is about 151.3208511739. The cubic root of 22898 is about 28.3965677265.

The spelling of 22898 in words is "twenty-two thousand, eight hundred ninety-eight".

Divisors: 1 2 107 214 11449 22898