22470522 has 8 divisors (see below), whose sum is σ = 44941056. Its totient is φ = 7490172.

The previous prime is 22470493. The next prime is 22470529. The reversal of 22470522 is 22507422.

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

22470522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22470492 and 22470501.

It is not an unprimeable number, because it can be changed into a prime (22470529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872538 + ... + 1872549.

It is an arithmetic number, because the mean of its divisors is an integer number (5617632).

Almost surely, 2^22470522 is an apocalyptic number.

22470522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22470522 is a wasteful number, since it uses less digits than its factorization.

22470522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745092.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22470522 is about 4740.3082178272. The cubic root of 22470522 is about 282.1874665168.

Adding to 22470522 its reverse (22507422), we get a palindrome (44977944).

The spelling of 22470522 in words is "twenty-two million, four hundred seventy thousand, five hundred twenty-two".