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22412 = 2213431
BaseRepresentation
bin101011110001100
31010202002
411132030
51204122
6251432
7122225
oct53614
933662
1022412
1115925
1210b78
13a280
14824c
156992
hex578c

22412 has 12 divisors (see below), whose sum is σ = 42336. Its totient is φ = 10320.

The previous prime is 22409. The next prime is 22433. The reversal of 22412 is 21422.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 7 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 22393 and 22402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164 + ... + 267.

It is an arithmetic number, because the mean of its divisors is an integer number (3528).

222412 is an apocalyptic number.

It is an amenable number.

22412 is a deficient number, since it is larger than the sum of its proper divisors (19924).

22412 is a wasteful number, since it uses less digits than its factorization.

22412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its digits is 32, while the sum is 11.

The square root of 22412 is about 149.7063792896. The cubic root of 22412 is about 28.1942278144.

Adding to 22412 its reverse (21422), we get a palindrome (43834).

Subtracting from 22412 its reverse (21422), we obtain a triangular number (990 = T44).

It can be divided in two parts, 22 and 412, that added together give a palindrome (434).

The spelling of 22412 in words is "twenty-two thousand, four hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 13 26 52 431 862 1724 5603 11206 22412