245231224 has 32 divisors (see below), whose sum is σ = 534117600. Its totient is φ = 103374720.

The previous prime is 245231213. The next prime is 245231243. The reversal of 245231224 is 422132542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32479 + ... + 39310.

It is an arithmetic number, because the mean of its divisors is an integer number (16691175).

Almost surely, 2^245231224 is an apocalyptic number.

It is an amenable number.

245231224 is an abundant number, since it is smaller than the sum of its proper divisors (288886376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245231224 is a wasteful number, since it uses less digits than its factorization.

245231224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71863 (or 71859 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 245231224 is about 15659.8602803473. The cubic root of 245231224 is about 625.9292621502.

Adding to 245231224 its reverse (422132542), we get a palindrome (667363766).

The spelling of 245231224 in words is "two hundred forty-five million, two hundred thirty-one thousand, two hundred twenty-four".