22240552 has 32 divisors (see below), whose sum is σ = 43146720. Its totient is φ = 10739520.

The previous prime is 22240501. The next prime is 22240553. The reversal of 22240552 is 25504222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22240553) 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, 67027 + ... + 67357.

It is an arithmetic number, because the mean of its divisors is an integer number (1348335).

Almost surely, 2^22240552 is an apocalyptic number.

It is an amenable number.

22240552 is a deficient number, since it is larger than the sum of its proper divisors (20906168).

22240552 is a wasteful number, since it uses less digits than its factorization.

22240552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22240552 is about 4715.9889736936. The cubic root of 22240552 is about 281.2215001903.

Adding to 22240552 its reverse (25504222), we get a palindrome (47744774).

The spelling of 22240552 in words is "twenty-two million, two hundred forty thousand, five hundred fifty-two".