22166616 has 32 divisors (see below), whose sum is σ = 58334400. Its totient is φ = 6999840.

The previous prime is 22166611. The next prime is 22166621. The reversal of 22166616 is 61666122.

It is an interprime number because it is at equal distance from previous prime (22166611) and next prime (22166621).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22166611) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 23850 + ... + 24761.

It is an arithmetic number, because the mean of its divisors is an integer number (1822950).

Almost surely, 2^22166616 is an apocalyptic number.

It is an amenable number.

22166616 is an abundant number, since it is smaller than the sum of its proper divisors (36167784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22166616 is a wasteful number, since it uses less digits than its factorization.

22166616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48639 (or 48635 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 22166616 is about 4708.1435831971. The cubic root of 22166616 is about 280.9095253785.

The spelling of 22166616 in words is "twenty-two million, one hundred sixty-six thousand, six hundred sixteen".