22166416 has 10 divisors (see below), whose sum is σ = 42947462. Its totient is φ = 11083200.

The previous prime is 22166383. The next prime is 22166447. The reversal of 22166416 is 61466122.

It can be written as a sum of positive squares in only one way, i.e., 12531600 + 9634816 = 3540^2 + 3104^2 .

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, 692685 + ... + 692716.

Almost surely, 2^22166416 is an apocalyptic number.

It is an amenable number.

22166416 is a deficient number, since it is larger than the sum of its proper divisors (20781046).

22166416 is a wasteful number, since it uses less digits than its factorization.

22166416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385409 (or 1385403 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 22166416 is about 4708.1223433552. The cubic root of 22166416 is about 280.9086805333.

The spelling of 22166416 in words is "twenty-two million, one hundred sixty-six thousand, four hundred sixteen".