24223225 has 24 divisors (see below), whose sum is σ = 32822552. Its totient is φ = 17625600.

The previous prime is 24223211. The next prime is 24223229. The reversal of 24223225 is 52232242.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 8982009 + 15241216 = 2997^2 + 3904^2 .

It is not a de Polignac number, because 24223225 - 2⁷ = 24223097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24223196 and 24223205.

It is not an unprimeable number, because it can be changed into a prime (24223229) 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, 23215 + ... + 24235.

Almost surely, 2^24223225 is an apocalyptic number.

24223225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24223225 is a deficient number, since it is larger than the sum of its proper divisors (8599327).

24223225 is a wasteful number, since it uses less digits than its factorization.

24223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1112 counting only the distinct ones).

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

The square root of 24223225 is about 4921.7095607116. The cubic root of 24223225 is about 289.3414505652.

Adding to 24223225 its reverse (52232242), we get a palindrome (76455467).

The spelling of 24223225 in words is "twenty-four million, two hundred twenty-three thousand, two hundred twenty-five".