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22995 = 325773
BaseRepresentation
bin101100111010011
31011112200
411213103
51213440
6254243
7124020
oct54723
934480
1022995
1116305
1211383
13a60b
148547
156c30
hex59d3

22995 has 24 divisors (see below), whose sum is σ = 46176. Its totient is φ = 10368.

The previous prime is 22993. The next prime is 23003. The reversal of 22995 is 59922.

It is not a de Polignac number, because 22995 - 21 = 22993 is a prime.

It is a d-powerful number, because it can be written as 24 + 214 + 9 + 94 + 52 .

It is not an unprimeable number, because it can be changed into a prime (22993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279 + ... + 351.

It is an arithmetic number, because the mean of its divisors is an integer number (1924).

222995 is an apocalyptic number.

22995 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23088).

22995 is a wasteful number, since it uses less digits than its factorization.

22995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 88 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 22995 is about 151.6410234732. The cubic root of 22995 is about 28.4366088760.

It can be divided in two parts, 2299 and 5, that added together give a square (2304 = 482).

The spelling of 22995 in words is "twenty-two thousand, nine hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 73 105 219 315 365 511 657 1095 1533 2555 3285 4599 7665 22995