22205553 has 8 divisors (see below), whose sum is σ = 31349088. Its totient is φ = 13932864.

The previous prime is 22205549. The next prime is 22205563. The reversal of 22205553 is 35550222.

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

It is not a de Polignac number, because 22205553 - 2² = 22205549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22205543) 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, 217651 + ... + 217752.

It is an arithmetic number, because the mean of its divisors is an integer number (3918636).

Almost surely, 2^22205553 is an apocalyptic number.

It is an amenable number.

22205553 is a deficient number, since it is larger than the sum of its proper divisors (9143535).

22205553 is a wasteful number, since it uses less digits than its factorization.

22205553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435423.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22205553 is about 4712.2768382174. The cubic root of 22205553 is about 281.0739073504.

Adding to 22205553 its reverse (35550222), we get a palindrome (57755775).

The spelling of 22205553 in words is "twenty-two million, two hundred five thousand, five hundred fifty-three".