245022225 has 48 divisors (see below), whose sum is σ = 468636672. Its totient is φ = 110640960.

The previous prime is 245022209. The next prime is 245022229. The reversal of 245022225 is 522220542.

It is a happy number.

It is not a de Polignac number, because 245022225 - 2⁴ = 245022209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245022195 and 245022204.

It is not an unprimeable number, because it can be changed into a prime (245022229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40764 + ... + 46386.

It is an arithmetic number, because the mean of its divisors is an integer number (9763264).

Almost surely, 2^245022225 is an apocalyptic number.

245022225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245022225 is a deficient number, since it is larger than the sum of its proper divisors (223614447).

245022225 is a wasteful number, since it uses less digits than its factorization.

245022225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726 (or 5721 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 245022225 is about 15653.1857779814. The cubic root of 245022225 is about 625.7513949537.

Adding to 245022225 its reverse (522220542), we get a palindrome (767242767).

The spelling of 245022225 in words is "two hundred forty-five million, twenty-two thousand, two hundred twenty-five".