22408056 has 64 divisors (see below), whose sum is σ = 67910400. Its totient is φ = 6789600.

The previous prime is 22408037. The next prime is 22408063. The reversal of 22408056 is 65080422.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (1061100).

Almost surely, 2^22408056 is an apocalyptic number.

It is an amenable number.

22408056 is an abundant number, since it is smaller than the sum of its proper divisors (45502344).

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

22408056 is a wasteful number, since it uses less digits than its factorization.

22408056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457 (or 9447 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 22408056 is about 4733.7148203076. The cubic root of 22408056 is about 281.9257387076.

22408056 divided by its sum of digits (27) gives a palindrome (829928).

Adding to 22408056 its reverse (65080422), we get a palindrome (87488478).

It can be divided in two parts, 2240 and 8056, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 22408056 in words is "twenty-two million, four hundred eight thousand, fifty-six".