22010 has 16 divisors (see below), whose sum is σ = 41472.
Its totient is φ = 8400.
The previous prime is 22003. The next prime is 22013. The reversal of 22010 is 1022.
Adding to 22010 its reverse (1022), we get a palindrome (23032).
It is a Harshad number since it is a multiple of its sum of digits (5).
It is a Curzon number.
It is a plaindrome in base 11.
It is a zygodrome in base 4.
It is a junction number, because it is equal to n+sod(n) for n = 21985 and 22003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 345.
It is an arithmetic number, because the mean of its divisors is an integer number (2592).
222010 is an apocalyptic number.
22010 is a deficient number, since it is larger than the sum of its proper divisors (19462).
22010 is a wasteful number, since it uses less digits than its factorization.
22010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109.
The product of its (nonzero) digits is 4, while the sum is 5.
The square root of 22010 is about 148.3576759052.
The cubic root of 22010 is about 28.0246381776.
The spelling of 22010 in words is "twenty-two thousand, ten", and thus it is an iban number.