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22430 = 252243
BaseRepresentation
bin101011110011110
31010202202
411132132
51204210
6251502
7122252
oct53636
933682
1022430
1115941
1210b92
13a295
148262
1569a5
hex579e

22430 has 8 divisors (see below), whose sum is σ = 40392. Its totient is φ = 8968.

The previous prime is 22409. The next prime is 22433. The reversal of 22430 is 3422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22433) by changing a digit.

22430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (5049).

222430 is an apocalyptic number.

22430 is a deficient number, since it is larger than the sum of its proper divisors (17962).

22430 is a wasteful number, since it uses less digits than its factorization.

22430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 22430 is about 149.7664849023. The cubic root of 22430 is about 28.2017737764.

Adding to 22430 its reverse (3422), we get a palindrome (25852).

The spelling of 22430 in words is "twenty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 2243 4486 11215 22430