22195436 has 6 divisors (see below), whose sum is σ = 38842020. Its totient is φ = 11097716.

The previous prime is 22195403. The next prime is 22195447. The reversal of 22195436 is 63459122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2774426 + ... + 2774433.

It is an arithmetic number, because the mean of its divisors is an integer number (6473670).

Almost surely, 2^22195436 is an apocalyptic number.

It is an amenable number.

22195436 is a deficient number, since it is larger than the sum of its proper divisors (16646584).

22195436 is a wasteful number, since it uses less digits than its factorization.

22195436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548863 (or 5548861 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 22195436 is about 4711.2032433339. The cubic root of 22195436 is about 281.0312144755.

The spelling of 22195436 in words is "twenty-two million, one hundred ninety-five thousand, four hundred thirty-six".