22553025 has 24 divisors (see below), whose sum is σ = 40678944. Its totient is φ = 10934400.

The previous prime is 22553023. The next prime is 22553093. The reversal of 22553025 is 52035522.

It is not a de Polignac number, because 22553025 - 2¹ = 22553023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22552986 and 22553004.

It is not an unprimeable number, because it can be changed into a prime (22553023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12844 + ... + 14493.

It is an arithmetic number, because the mean of its divisors is an integer number (1694956).

Almost surely, 2^22553025 is an apocalyptic number.

22553025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22553025 is a deficient number, since it is larger than the sum of its proper divisors (18125919).

22553025 is a wasteful number, since it uses less digits than its factorization.

22553025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27361 (or 27356 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22553025 is about 4749.0025268471. The cubic root of 22553025 is about 282.5324055029.

Subtracting from 22553025 its sum of digits (24), we obtain a square (22553001 = 4749²).

Adding to 22553025 its reverse (52035522), we get a palindrome (74588547).

The spelling of 22553025 in words is "twenty-two million, five hundred fifty-three thousand, twenty-five".