22012150 has 24 divisors (see below), whose sum is σ = 42724944. Its totient is φ = 8421600.

The previous prime is 22012141. The next prime is 22012157. The reversal of 22012150 is 5121022.

It is a self number, because there is not a number n which added to its sum of digits gives 22012150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8421 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (1780206).

Almost surely, 2^22012150 is an apocalyptic number.

22012150 is a deficient number, since it is larger than the sum of its proper divisors (20712794).

22012150 is a wasteful number, since it uses less digits than its factorization.

22012150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19176 (or 19171 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 22012150 is about 4691.7107753995. The cubic root of 22012150 is about 280.2555065693.

Adding to 22012150 its reverse (5121022), we get a palindrome (27133172).

The spelling of 22012150 in words is "twenty-two million, twelve thousand, one hundred fifty".