22366000 has 80 divisors (see below), whose sum is σ = 55362528. Its totient is φ = 8736000.

The previous prime is 22365997. The next prime is 22366013. The reversal of 22366000 is 66322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

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 in 15 ways as a sum of consecutive naturals, for example, 105895 + ... + 106105.

Almost surely, 2^22366000 is an apocalyptic number.

22366000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22366000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27681264).

22366000 is an abundant number, since it is smaller than the sum of its proper divisors (32996528).

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

22366000 is a wasteful number, since it uses less digits than its factorization.

22366000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 22366000 is about 4729.2705568618. The cubic root of 22366000 is about 281.7492531579.

The spelling of 22366000 in words is "twenty-two million, three hundred sixty-six thousand".