22441155 has 32 divisors (see below), whose sum is σ = 39391488. Its totient is φ = 10819200.

The previous prime is 22441151. The next prime is 22441187. The reversal of 22441155 is 55114422.

It is not a de Polignac number, because 22441155 - 2² = 22441151 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22441151) 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 31 ways as a sum of consecutive naturals, for example, 45460 + ... + 45950.

It is an arithmetic number, because the mean of its divisors is an integer number (1230984).

Almost surely, 2^22441155 is an apocalyptic number.

22441155 is a deficient number, since it is larger than the sum of its proper divisors (16950333).

22441155 is a wasteful number, since it uses less digits than its factorization.

22441155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 1600, while the sum is 24.

The square root of 22441155 is about 4737.2096217077. The cubic root of 22441155 is about 282.0644815074.

Adding to 22441155 its reverse (55114422), we get a palindrome (77555577).

The spelling of 22441155 in words is "twenty-two million, four hundred forty-one thousand, one hundred fifty-five".