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22966 = 211483
BaseRepresentation
bin101100110110110
31011111121
411212312
51213331
6254154
7123646
oct54666
934447
1022966
1116289
121135a
13a5b8
148526
156c11
hex59b6

22966 has 4 divisors (see below), whose sum is σ = 34452. Its totient is φ = 11482.

The previous prime is 22963. The next prime is 22973. The reversal of 22966 is 66922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66922 = 233461.

It is a plaindrome in base 9 and base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 22966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5740 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (8613).

222966 is an apocalyptic number.

22966 is a deficient number, since it is larger than the sum of its proper divisors (11486).

22966 is a wasteful number, since it uses less digits than its factorization.

22966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11485.

The product of its digits is 1296, while the sum is 25.

The square root of 22966 is about 151.5453727436. The cubic root of 22966 is about 28.4246496302.

Subtracting 22966 from its reverse (66922), we obtain a triangular number (43956 = T296).

The spelling of 22966 in words is "twenty-two thousand, nine hundred sixty-six".

Divisors: 1 2 11483 22966