22166854 has 4 divisors (see below), whose sum is σ = 33250284. Its totient is φ = 11083426.

The previous prime is 22166843. The next prime is 22166899. The reversal of 22166854 is 45866122.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×22166854⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5541712 + ... + 5541715.

It is an arithmetic number, because the mean of its divisors is an integer number (8312571).

Almost surely, 2^22166854 is an apocalyptic number.

22166854 is a deficient number, since it is larger than the sum of its proper divisors (11083430).

22166854 is a wasteful number, since it uses less digits than its factorization.

22166854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083429.

The product of its digits is 23040, while the sum is 34.

The square root of 22166854 is about 4708.1688584842. The cubic root of 22166854 is about 280.9105307376.

The spelling of 22166854 in words is "twenty-two million, one hundred sixty-six thousand, eight hundred fifty-four".