22253155 has 8 divisors (see below), whose sum is σ = 26730000. Its totient is φ = 17785056.

The previous prime is 22253149. The next prime is 22253177. The reversal of 22253155 is 55135222.

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 22253155 - 2¹¹ = 22251107 is a prime.

It is an unprimeable number.

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, 6721 + ... + 9469.

It is an arithmetic number, because the mean of its divisors is an integer number (3341250).

Almost surely, 2^22253155 is an apocalyptic number.

22253155 is a deficient number, since it is larger than the sum of its proper divisors (4476845).

22253155 is a wasteful number, since it uses less digits than its factorization.

22253155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373.

The product of its digits is 3000, while the sum is 25.

The square root of 22253155 is about 4717.3249835050. The cubic root of 22253155 is about 281.2746098630.

Adding to 22253155 its reverse (55135222), we get a palindrome (77388377).

The spelling of 22253155 in words is "twenty-two million, two hundred fifty-three thousand, one hundred fifty-five".