245221234 has 8 divisors (see below), whose sum is σ = 368513388. Its totient is φ = 122383440.

The previous prime is 245221199. The next prime is 245221241. The reversal of 245221234 is 432122542.

It can be written as a sum of positive squares in 2 ways, for example, as 239475625 + 5745609 = 15475^2 + 2397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245221199 and 245221208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112237 + ... + 114400.

Almost surely, 2^245221234 is an apocalyptic number.

245221234 is a deficient number, since it is larger than the sum of its proper divisors (123292154).

245221234 is a wasteful number, since it uses less digits than its factorization.

245221234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227180.

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

The square root of 245221234 is about 15659.5413087357. The cubic root of 245221234 is about 625.9207625281.

Adding to 245221234 its reverse (432122542), we get a palindrome (677343776).

The spelling of 245221234 in words is "two hundred forty-five million, two hundred twenty-one thousand, two hundred thirty-four".