23245522 has 4 divisors (see below), whose sum is σ = 34868286. Its totient is φ = 11622760.

The previous prime is 23245517. The next prime is 23245529. The reversal of 23245522 is 22554232.

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., 23242041 + 3481 = 4821^2 + 59^2 .

It is not an unprimeable number, because it can be changed into a prime (23245529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811379 + ... + 5811382.

Almost surely, 2^23245522 is an apocalyptic number.

23245522 is a deficient number, since it is larger than the sum of its proper divisors (11622764).

23245522 is a wasteful number, since it uses less digits than its factorization.

23245522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11622763.

The product of its digits is 4800, while the sum is 25.

The square root of 23245522 is about 4821.3610111669. The cubic root of 23245522 is about 285.3950487495.

Adding to 23245522 its reverse (22554232), we get a palindrome (45799754).

It can be divided in two parts, 232 and 45522, that added together give a palindrome (45754).

The spelling of 23245522 in words is "twenty-three million, two hundred forty-five thousand, five hundred twenty-two".