22240166 has 8 divisors (see below), whose sum is σ = 35926464. Its totient is φ = 10264680.

The previous prime is 22240147. The next prime is 22240201. The reversal of 22240166 is 66104222.

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

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, 427670 + ... + 427721.

It is an arithmetic number, because the mean of its divisors is an integer number (4490808).

Almost surely, 2^22240166 is an apocalyptic number.

22240166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22240166 is a deficient number, since it is larger than the sum of its proper divisors (13686298).

22240166 is a wasteful number, since it uses less digits than its factorization.

22240166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855406.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22240166 is about 4715.9480489081. The cubic root of 22240166 is about 281.2198732504.

Adding to 22240166 its reverse (66104222), we get a palindrome (88344388).

The spelling of 22240166 in words is "twenty-two million, two hundred forty thousand, one hundred sixty-six".