22150449 has 32 divisors (see below), whose sum is σ = 34940160. Its totient is φ = 13837824.

The previous prime is 22150423. The next prime is 22150481. The reversal of 22150449 is 94405122.

22150449 is a `hidden beast` number, since 2 + 215 + 0 + 449 = 666.

It is not a de Polignac number, because 22150449 - 2⁹ = 22149937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22150549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32577 + ... + 33249.

It is an arithmetic number, because the mean of its divisors is an integer number (1091880).

Almost surely, 2^22150449 is an apocalyptic number.

It is an amenable number.

22150449 is a deficient number, since it is larger than the sum of its proper divisors (12789711).

22150449 is a wasteful number, since it uses less digits than its factorization.

22150449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22150449 is about 4706.4263512776. The cubic root of 22150449 is about 280.8412159166.

The spelling of 22150449 in words is "twenty-two million, one hundred fifty thousand, four hundred forty-nine".