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22334081 = 7112312611
BaseRepresentation
bin101010100110…
…0101010000001
31120000200121012
41111030222001
521204142311
62114410305
7360556640
oct125145201
946020535
1022334081
1111674a20
127590995
13481c943
142d75357
151e6278b
hex154ca81

22334081 has 16 divisors (see below), whose sum is σ = 29058048. Its totient is φ = 16645200.

The previous prime is 22334069. The next prime is 22334083. The reversal of 22334081 is 18043322.

It is not a de Polignac number, because 22334081 - 26 = 22334017 is a prime.

It is a super-2 number, since 2×223340812 = 997622348229122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22334083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4535 + ... + 8076.

It is an arithmetic number, because the mean of its divisors is an integer number (1816128).

Almost surely, 222334081 is an apocalyptic number.

It is an amenable number.

22334081 is a deficient number, since it is larger than the sum of its proper divisors (6723967).

22334081 is a wasteful number, since it uses less digits than its factorization.

22334081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22334081 is about 4725.8947301014. The cubic root of 22334081 is about 281.6151592070.

The spelling of 22334081 in words is "twenty-two million, three hundred thirty-four thousand, eighty-one".

Divisors: 1 7 11 23 77 161 253 1771 12611 88277 138721 290053 971047 2030371 3190583 22334081