245221232 has 20 divisors (see below), whose sum is σ = 478588416. Its totient is φ = 121714560.

The previous prime is 245221199. The next prime is 245221241. The reversal of 245221232 is 232122542.

It is a junction number, because it is equal to n+sod(n) for n = 245221198 and 245221207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53744 + ... + 58127.

Almost surely, 2^245221232 is an apocalyptic number.

It is an amenable number.

245221232 is a deficient number, since it is larger than the sum of its proper divisors (233367184).

245221232 is a wasteful number, since it uses less digits than its factorization.

245221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112016 (or 112010 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 245221232 is about 15659.5412448769. The cubic root of 245221232 is about 625.9207608264.

Adding to 245221232 its reverse (232122542), we get a palindrome (477343774).

The spelling of 245221232 in words is "two hundred forty-five million, two hundred twenty-one thousand, two hundred thirty-two".