22241552 has 40 divisors (see below), whose sum is σ = 47348160. Its totient is φ = 10074240.

The previous prime is 22241543. The next prime is 22241563. The reversal of 22241552 is 25514222.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5402 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (1183704).

Almost surely, 2^22241552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22241552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23674080).

22241552 is an abundant number, since it is smaller than the sum of its proper divisors (25106608).

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

22241552 is a wasteful number, since it uses less digits than its factorization.

22241552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231 (or 3225 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 22241552 is about 4716.0949948024. The cubic root of 22241552 is about 281.2257149731.

Adding to 22241552 its reverse (25514222), we get a palindrome (47755774).

The spelling of 22241552 in words is "twenty-two million, two hundred forty-one thousand, five hundred fifty-two".