22552047 has 32 divisors (see below), whose sum is σ = 40435200. Its totient is φ = 12127104.

The previous prime is 22552039. The next prime is 22552067. The reversal of 22552047 is 74025522.

It is not a de Polignac number, because 22552047 - 2³ = 22552039 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22552047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^22552047 is an apocalyptic number.

22552047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22552047 is a deficient number, since it is larger than the sum of its proper divisors (17883153).

22552047 is a wasteful number, since it uses less digits than its factorization.

22552047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052 (or 7046 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 22552047 is about 4748.8995567394. The cubic root of 22552047 is about 282.5283214877.

Adding to 22552047 its reverse (74025522), we get a palindrome (96577569).

The spelling of 22552047 in words is "twenty-two million, five hundred fifty-two thousand, forty-seven".