22163150 has 12 divisors (see below), whose sum is σ = 41223552. Its totient is φ = 8865240.

The previous prime is 22163149. The next prime is 22163159. The reversal of 22163150 is 5136122.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163159) 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 in 5 ways as a sum of consecutive naturals, for example, 221582 + ... + 221681.

It is an arithmetic number, because the mean of its divisors is an integer number (3435296).

Almost surely, 2^22163150 is an apocalyptic number.

22163150 is a deficient number, since it is larger than the sum of its proper divisors (19060402).

22163150 is a wasteful number, since it uses less digits than its factorization.

22163150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443275 (or 443270 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22163150 is about 4707.7754831767. The cubic root of 22163150 is about 280.8948834929.

Adding to 22163150 its reverse (5136122), we get a palindrome (27299272).

The spelling of 22163150 in words is "twenty-two million, one hundred sixty-three thousand, one hundred fifty".