22252150 has 48 divisors (see below), whose sum is σ = 44836416. Its totient is φ = 8184320.

The previous prime is 22252147. The next prime is 22252151. The reversal of 22252150 is 5125222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252151) 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 23 ways as a sum of consecutive naturals, for example, 39672 + ... + 40228.

It is an arithmetic number, because the mean of its divisors is an integer number (934092).

Almost surely, 2^22252150 is an apocalyptic number.

22252150 is an abundant number, since it is smaller than the sum of its proper divisors (22584266).

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

22252150 is a wasteful number, since it uses less digits than its factorization.

22252150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22252150 is about 4717.2184600673. The cubic root of 22252150 is about 281.2703754786.

Adding to 22252150 its reverse (5125222), we get a palindrome (27377372).

The spelling of 22252150 in words is "twenty-two million, two hundred fifty-two thousand, one hundred fifty".