22024155 has 8 divisors (see below), whose sum is σ = 35238672. Its totient is φ = 11746208.

The previous prime is 22024151. The next prime is 22024157. The reversal of 22024155 is 55142022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22024155 - 2² = 22024151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22024151) 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 7 ways as a sum of consecutive naturals, for example, 734124 + ... + 734153.

It is an arithmetic number, because the mean of its divisors is an integer number (4404834).

Almost surely, 2^22024155 is an apocalyptic number.

22024155 is a deficient number, since it is larger than the sum of its proper divisors (13214517).

22024155 is a wasteful number, since it uses less digits than its factorization.

22024155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468285.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22024155 is about 4692.9899850735. The cubic root of 22024155 is about 280.3064459505.

Adding to 22024155 its reverse (55142022), we get a palindrome (77166177).

The spelling of 22024155 in words is "twenty-two million, twenty-four thousand, one hundred fifty-five".