22195522 has 4 divisors (see below), whose sum is σ = 33293286. Its totient is φ = 11097760.

The previous prime is 22195517. The next prime is 22195543. The reversal of 22195522 is 22559122.

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., 22080601 + 114921 = 4699^2 + 339^2 .

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, 5548879 + ... + 5548882.

Almost surely, 2^22195522 is an apocalyptic number.

22195522 is a deficient number, since it is larger than the sum of its proper divisors (11097764).

22195522 is a wasteful number, since it uses less digits than its factorization.

22195522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097763.

The product of its digits is 3600, while the sum is 28.

The square root of 22195522 is about 4711.2123705051. The cubic root of 22195522 is about 281.0315774428.

Adding to 22195522 its product of digits (3600), we get a palindrome (22199122).

The spelling of 22195522 in words is "twenty-two million, one hundred ninety-five thousand, five hundred twenty-two".