22436025 has 12 divisors (see below), whose sum is σ = 37094352. Its totient is φ = 11965840.

The previous prime is 22436009. The next prime is 22436027. The reversal of 22436025 is 52063422.

It is not a de Polignac number, because 22436025 - 2⁴ = 22436009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22435986 and 22436004.

It is not an unprimeable number, because it can be changed into a prime (22436027) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 149499 + ... + 149648.

It is an arithmetic number, because the mean of its divisors is an integer number (3091196).

Almost surely, 2^22436025 is an apocalyptic number.

22436025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22436025 is a deficient number, since it is larger than the sum of its proper divisors (14658327).

22436025 is a wasteful number, since it uses less digits than its factorization.

22436025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299160 (or 299155 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22436025 is about 4736.6681327701. The cubic root of 22436025 is about 282.0429867572.

Adding to 22436025 its reverse (52063422), we get a palindrome (74499447).

The spelling of 22436025 in words is "twenty-two million, four hundred thirty-six thousand, twenty-five".