22150186 has 4 divisors (see below), whose sum is σ = 33225282. Its totient is φ = 11075092.

The previous prime is 22150169. The next prime is 22150187. The reversal of 22150186 is 68105122.

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

It can be written as a sum of positive squares in only one way, i.e., 17065161 + 5085025 = 4131^2 + 2255^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22150186.

It is not an unprimeable number, because it can be changed into a prime (22150187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5537545 + ... + 5537548.

Almost surely, 2^22150186 is an apocalyptic number.

22150186 is a deficient number, since it is larger than the sum of its proper divisors (11075096).

22150186 is a wasteful number, since it uses less digits than its factorization.

22150186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11075095.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 22150186 is about 4706.3984106746. The cubic root of 22150186 is about 280.8401044036.

The spelling of 22150186 in words is "twenty-two million, one hundred fifty thousand, one hundred eighty-six".