22044166 has 8 divisors (see below), whose sum is σ = 34503984. Its totient is φ = 10542840.

The previous prime is 22044157. The next prime is 22044203. The reversal of 22044166 is 66144022.

22044166 = T₁₃₇₃ + T₁₃₇₄ + ... + T₁₃₉₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22044166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239565 + ... + 239656.

It is an arithmetic number, because the mean of its divisors is an integer number (4312998).

Almost surely, 2^22044166 is an apocalyptic number.

22044166 is a deficient number, since it is larger than the sum of its proper divisors (12459818).

22044166 is a wasteful number, since it uses less digits than its factorization.

22044166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479246.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22044166 is about 4695.1215106747. The cubic root of 22044166 is about 280.3913151062.

Adding to 22044166 its reverse (66144022), we get a palindrome (88188188).

The spelling of 22044166 in words is "twenty-two million, forty-four thousand, one hundred sixty-six".