22454522 has 16 divisors (see below), whose sum is σ = 34425000. Its totient is φ = 10982400.

The previous prime is 22454519. The next prime is 22454567. The reversal of 22454522 is 22545422.

It can be written as a sum of positive squares in 4 ways, for example, as 20349121 + 2105401 = 4511^2 + 1451^2 .

It is a super-3 number, since 3×22454522³ (a number of 23 digits) contains 333 as substring.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 22454491 and 22454500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17354 + ... + 18602.

Almost surely, 2^22454522 is an apocalyptic number.

22454522 is a deficient number, since it is larger than the sum of its proper divisors (11970478).

22454522 is a wasteful number, since it uses less digits than its factorization.

22454522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its digits is 6400, while the sum is 26.

The square root of 22454522 is about 4738.6202633256. The cubic root of 22454522 is about 282.1204739845.

Adding to 22454522 its reverse (22545422), we get a palindrome (44999944).

The spelling of 22454522 in words is "twenty-two million, four hundred fifty-four thousand, five hundred twenty-two".