22120150 has 24 divisors (see below), whose sum is σ = 44309664. Its totient is φ = 8167200.

The previous prime is 22120099. The next prime is 22120151. The reversal of 22120150 is 5102122.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 22120150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120151) 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, 16366 + ... + 17665.

It is an arithmetic number, because the mean of its divisors is an integer number (1846236).

Almost surely, 2^22120150 is an apocalyptic number.

22120150 is an abundant number, since it is smaller than the sum of its proper divisors (22189514).

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

22120150 is a wasteful number, since it uses less digits than its factorization.

22120150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34056 (or 34051 counting only the distinct ones).

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

The square root of 22120150 is about 4703.2063531170. The cubic root of 22120150 is about 280.7131057852.

Adding to 22120150 its reverse (5102122), we get a palindrome (27222272).

The spelling of 22120150 in words is "twenty-two million, one hundred twenty thousand, one hundred fifty".