22470 has 32 divisors (see below), whose sum is σ = 62208. Its totient is φ = 5088.

The previous prime is 22469. The next prime is 22481. The reversal of 22470 is 7422.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157 + ... + 263.

It is an arithmetic number, because the mean of its divisors is an integer number (1944).

2²²⁴⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31104).

22470 is an abundant number, since it is smaller than the sum of its proper divisors (39738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22470 is a wasteful number, since it uses less digits than its factorization.

22470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 22470 is about 149.8999666444. The cubic root of 22470 is about 28.2185281387.

Adding to 22470 its reverse (7422), we get a palindrome (29892).

The spelling of 22470 in words is "twenty-two thousand, four hundred seventy", and thus it is an iban number.