22253560 has 128 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 6994944.

The previous prime is 22253557. The next prime is 22253591. The reversal of 22253560 is 6535222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249996 + ... + 250084.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^22253560 is an apocalyptic number.

22253560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22253560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31104000).

22253560 is an abundant number, since it is smaller than the sum of its proper divisors (39954440).

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

22253560 is a wasteful number, since it uses less digits than its factorization.

22253560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 22253560 is about 4717.3679101804. The cubic root of 22253560 is about 281.2763162207.

Adding to 22253560 its reverse (6535222), we get a palindrome (28788782).

The spelling of 22253560 in words is "twenty-two million, two hundred fifty-three thousand, five hundred sixty".