22033155 has 8 divisors (see below), whose sum is σ = 35253072. Its totient is φ = 11751008.

The previous prime is 22033153. The next prime is 22033163. The reversal of 22033155 is 55133022.

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 22033155 - 2¹ = 22033153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22033153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734424 + ... + 734453.

It is an arithmetic number, because the mean of its divisors is an integer number (4406634).

Almost surely, 2^22033155 is an apocalyptic number.

22033155 is a deficient number, since it is larger than the sum of its proper divisors (13219917).

22033155 is a wasteful number, since it uses less digits than its factorization.

22033155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468885.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 22033155 is about 4693.9487641004. The cubic root of 22033155 is about 280.3446224353.

Adding to 22033155 its reverse (55133022), we get a palindrome (77166177).

The spelling of 22033155 in words is "twenty-two million, thirty-three thousand, one hundred fifty-five".