245501224 has 16 divisors (see below), whose sum is σ = 461023200. Its totient is φ = 122561712.

The previous prime is 245501219. The next prime is 245501231. The reversal of 245501224 is 422105542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18012 + ... + 28555.

It is an arithmetic number, because the mean of its divisors is an integer number (28813950).

Almost surely, 2^245501224 is an apocalyptic number.

It is an amenable number.

245501224 is a deficient number, since it is larger than the sum of its proper divisors (215521976).

245501224 is a wasteful number, since it uses less digits than its factorization.

245501224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47232 (or 47228 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 245501224 is about 15668.4786753533. The cubic root of 245501224 is about 626.1588942943.

Adding to 245501224 its reverse (422105542), we get a palindrome (667606766).

The spelling of 245501224 in words is "two hundred forty-five million, five hundred one thousand, two hundred twenty-four".