22295666 has 4 divisors (see below), whose sum is σ = 33443502. Its totient is φ = 11147832.

The previous prime is 22295627. The next prime is 22295699. The reversal of 22295666 is 66659222.

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., 16982641 + 5313025 = 4121^2 + 2305^2 .

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, 5573915 + ... + 5573918.

Almost surely, 2^22295666 is an apocalyptic number.

22295666 is a deficient number, since it is larger than the sum of its proper divisors (11147836).

22295666 is a wasteful number, since it uses less digits than its factorization.

22295666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147835.

The product of its digits is 77760, while the sum is 38.

The square root of 22295666 is about 4721.8286711824. The cubic root of 22295666 is about 281.4536055886.

The spelling of 22295666 in words is "twenty-two million, two hundred ninety-five thousand, six hundred sixty-six".