22166632 has 8 divisors (see below), whose sum is σ = 41562450. Its totient is φ = 11083312.

The previous prime is 22166621. The next prime is 22166647. The reversal of 22166632 is 23666122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 320356 = 4674^2 + 566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22166632.

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, 1385407 + ... + 1385422.

Almost surely, 2^22166632 is an apocalyptic number.

It is an amenable number.

22166632 is a deficient number, since it is larger than the sum of its proper divisors (19395818).

22166632 is a wasteful number, since it uses less digits than its factorization.

22166632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770835 (or 2770831 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 22166632 is about 4708.1452823803. The cubic root of 22166632 is about 280.9095929659.

The spelling of 22166632 in words is "twenty-two million, one hundred sixty-six thousand, six hundred thirty-two".