2221150 has 24 divisors (see below), whose sum is σ = 4267584. Its totient is φ = 859200.

The previous prime is 2221129. The next prime is 2221159. The reversal of 2221150 is 511222.

2221150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2221150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (177816).

2^2221150 is an apocalyptic number.

2221150 is a deficient number, since it is larger than the sum of its proper divisors (2046434).

2221150 is a wasteful number, since it uses less digits than its factorization.

2221150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1471 counting only the distinct ones).

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

The square root of 2221150 is about 1490.3523073421. The cubic root of 2221150 is about 130.4745966221.

Adding to 2221150 its reverse (511222), we get a palindrome (2732372).

The spelling of 2221150 in words is "two million, two hundred twenty-one thousand, one hundred fifty".