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22468 = 2241137
BaseRepresentation
bin101011111000100
31010211011
411133010
51204333
6252004
7122335
oct53704
933734
1022468
1115976
1211004
13a2c4
14828c
1569cd
hex57c4

22468 has 12 divisors (see below), whose sum is σ = 40572. Its totient is φ = 10880.

The previous prime is 22453. The next prime is 22469. The reversal of 22468 is 86422.

It can be written as a sum of positive squares in 2 ways, for example, as 6084 + 16384 = 78^2 + 128^2 .

It is a super-2 number, since 2×224682 = 1009622048, which contains 22 as substring.

It is a plaindrome in base 7, base 10 and base 15.

It is not an unprimeable number, because it can be changed into a prime (22469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 232.

It is an arithmetic number, because the mean of its divisors is an integer number (3381).

222468 is an apocalyptic number.

It is an amenable number.

22468 is a deficient number, since it is larger than the sum of its proper divisors (18104).

22468 is a wasteful number, since it uses less digits than its factorization.

22468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 180 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 22468 is about 149.8932953804. The cubic root of 22468 is about 28.2176908931.

It can be divided in two parts, 224 and 68, that added together give a palindrome (292).

The spelling of 22468 in words is "twenty-two thousand, four hundred sixty-eight".

Divisors: 1 2 4 41 82 137 164 274 548 5617 11234 22468