22270 has 16 divisors (see below), whose sum is σ = 42768. Its totient is φ = 8320.

The previous prime is 22259. The next prime is 22271. The reversal of 22270 is 7222.

22270 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

22270 is an undulating number in base 13.

22270 is strictly pandigital in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 22270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22271) by changing a digit.

22270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 235.

It is an arithmetic number, because the mean of its divisors is an integer number (2673).

2²²²⁷⁰ is an apocalyptic number.

22270 is a deficient number, since it is larger than the sum of its proper divisors (20498).

22270 is a wasteful number, since it uses less digits than its factorization.

22270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 22270 is about 149.2313639956. The cubic root of 22270 is about 28.1345564233.

Adding to 22270 its reverse (7222), we get a palindrome (29492).

It can be divided in two parts, 222 and 70, that added together give a palindrome (292).

The spelling of 22270 in words is "twenty-two thousand, two hundred seventy", and thus it is an iban number.