22524223522 has 4 divisors (see below), whose sum is σ = 33786335286. Its totient is φ = 11262111760.

The previous prime is 22524223481. The next prime is 22524223523. The reversal of 22524223522 is 22532242522.

It is a happy number.

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., 19249065081 + 3275158441 = 138741^2 + 57229^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22524223523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5631055879 + ... + 5631055882.

Almost surely, 2^22524223522 is an apocalyptic number.

22524223522 is a deficient number, since it is larger than the sum of its proper divisors (11262111764).

22524223522 is a wasteful number, since it uses less digits than its factorization.

22524223522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262111763.

The product of its digits is 38400, while the sum is 31.

The spelling of 22524223522 in words is "twenty-two billion, five hundred twenty-four million, two hundred twenty-three thousand, five hundred twenty-two".