22324225 has 24 divisors (see below), whose sum is σ = 34515648. Its totient is φ = 13915200.

The previous prime is 22324219. The next prime is 22324241. The reversal of 22324225 is 52242322.

It is a happy number.

It is not a de Polignac number, because 22324225 - 2⁵ = 22324193 is a prime.

It is a super-3 number, since 3×22324225³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22324196 and 22324205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3874 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (1438152).

Almost surely, 2^22324225 is an apocalyptic number.

22324225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22324225 is a deficient number, since it is larger than the sum of its proper divisors (12191423).

22324225 is a wasteful number, since it uses less digits than its factorization.

22324225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625 (or 11620 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 22324225 is about 4724.8518495293. The cubic root of 22324225 is about 281.5737276478.

Adding to 22324225 its reverse (52242322), we get a palindrome (74566547).

The spelling of 22324225 in words is "twenty-two million, three hundred twenty-four thousand, two hundred twenty-five".