22304522 has 4 divisors (see below), whose sum is σ = 33456786. Its totient is φ = 11152260.

The previous prime is 22304483. The next prime is 22304551. The reversal of 22304522 is 22540322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17380561 + 4923961 = 4169^2 + 2219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22304494 and 22304503.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 5576129 + ... + 5576132.

Almost surely, 2^22304522 is an apocalyptic number.

22304522 is a deficient number, since it is larger than the sum of its proper divisors (11152264).

22304522 is a wasteful number, since it uses less digits than its factorization.

22304522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152263.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22304522 is about 4722.7663503502. The cubic root of 22304522 is about 281.4908657925.

Adding to 22304522 its reverse (22540322), we get a palindrome (44844844).

The spelling of 22304522 in words is "twenty-two million, three hundred four thousand, five hundred twenty-two".