22406552 has 32 divisors (see below), whose sum is σ = 49566720. Its totient is φ = 9292320.

The previous prime is 22406543. The next prime is 22406627. The reversal of 22406552 is 25560422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4718 + ... + 8189.

It is an arithmetic number, because the mean of its divisors is an integer number (1548960).

Almost surely, 2^22406552 is an apocalyptic number.

It is an amenable number.

22406552 is an abundant number, since it is smaller than the sum of its proper divisors (27160168).

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

22406552 is a wasteful number, since it uses less digits than its factorization.

22406552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12951 (or 12947 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 22406552 is about 4733.5559572060. Note that the first 3 decimals coincide. The cubic root of 22406552 is about 281.9194310684.

Adding to 22406552 its reverse (25560422), we get a palindrome (47966974).

The spelling of 22406552 in words is "twenty-two million, four hundred six thousand, five hundred fifty-two".