22665150 has 96 divisors (see below), whose sum is σ = 63448320. Its totient is φ = 5948640.

The previous prime is 22665121. The next prime is 22665151. The reversal of 22665150 is 5156622.

22665150 is a `hidden beast` number, since 2 + 2 + 6 + 651 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22665151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138969 + ... + 139131.

It is an arithmetic number, because the mean of its divisors is an integer number (660920).

Almost surely, 2^22665150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22665150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31724160).

22665150 is an abundant number, since it is smaller than the sum of its proper divisors (40783170).

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

22665150 is a wasteful number, since it uses less digits than its factorization.

22665150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22665150 is about 4760.7930011711. The cubic root of 22665150 is about 282.9998460046. Note that the first 3 decimals are identical.

The spelling of 22665150 in words is "twenty-two million, six hundred sixty-five thousand, one hundred fifty".