22205560 has 32 divisors (see below), whose sum is σ = 53807040. Its totient is φ = 8198784.

The previous prime is 22205549. The next prime is 22205563. The reversal of 22205560 is 6550222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205563) 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, 20832 + ... + 21871.

It is an arithmetic number, because the mean of its divisors is an integer number (1681470).

Almost surely, 2^22205560 is an apocalyptic number.

22205560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22205560 is an abundant number, since it is smaller than the sum of its proper divisors (31601480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22205560 is a wasteful number, since it uses less digits than its factorization.

22205560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42727 (or 42723 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22205560 is about 4712.2775809581. The cubic root of 22205560 is about 281.0739368853.

Adding to 22205560 its reverse (6550222), we get a palindrome (28755782).

The spelling of 22205560 in words is "twenty-two million, two hundred five thousand, five hundred sixty".