22435522 has 4 divisors (see below), whose sum is σ = 33653286. Its totient is φ = 11217760.

The previous prime is 22435513. The next prime is 22435571. The reversal of 22435522 is 22553422.

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., 16329681 + 6105841 = 4041^2 + 2471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608879 + ... + 5608882.

Almost surely, 2^22435522 is an apocalyptic number.

22435522 is a deficient number, since it is larger than the sum of its proper divisors (11217764).

22435522 is a wasteful number, since it uses less digits than its factorization.

22435522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11217763.

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

The square root of 22435522 is about 4736.6150360780. The cubic root of 22435522 is about 282.0408790059.

Adding to 22435522 its reverse (22553422), we get a palindrome (44988944).

The spelling of 22435522 in words is "twenty-two million, four hundred thirty-five thousand, five hundred twenty-two".