22444011 has 6 divisors (see below), whose sum is σ = 32419140. Its totient is φ = 14962668.

The previous prime is 22444007. The next prime is 22444027. The reversal of 22444011 is 11044422.

22444011 is a `hidden beast` number, since 224 + 440 + 1 + 1 = 666.

It is not a de Polignac number, because 22444011 - 2² = 22444007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22444091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1246881 + ... + 1246898.

It is an arithmetic number, because the mean of its divisors is an integer number (5403190).

Almost surely, 2^22444011 is an apocalyptic number.

22444011 is a deficient number, since it is larger than the sum of its proper divisors (9975129).

22444011 is a wasteful number, since it uses less digits than its factorization.

22444011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493785 (or 2493782 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22444011 is about 4737.5110553961. The cubic root of 22444011 is about 282.0764467559.

Adding to 22444011 its reverse (11044422), we get a palindrome (33488433).

The spelling of 22444011 in words is "twenty-two million, four hundred forty-four thousand, eleven".