22104552 has 32 divisors (see below), whose sum is σ = 55392480. Its totient is φ = 7350720.

The previous prime is 22104529. The next prime is 22104553. The reversal of 22104552 is 25540122.

It is a happy number.

It is a super-2 number, since 2×22104552² = 977222438241408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22104553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12898 + ... + 14510.

It is an arithmetic number, because the mean of its divisors is an integer number (1731015).

Almost surely, 2^22104552 is an apocalyptic number.

It is an amenable number.

22104552 is an abundant number, since it is smaller than the sum of its proper divisors (33287928).

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

22104552 is a wasteful number, since it uses less digits than its factorization.

22104552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22104552 is about 4701.5478302363. The cubic root of 22104552 is about 280.6471087553.

Adding to 22104552 its reverse (25540122), we get a palindrome (47644674).

The spelling of 22104552 in words is "twenty-two million, one hundred four thousand, five hundred fifty-two".