105224223245 has 8 divisors (see below), whose sum is σ = 126274957560. Its totient is φ = 84175452160.

The previous prime is 105224223127. The next prime is 105224223253. The reversal of 105224223245 is 542322422501.

It can be written as a sum of positive squares in 4 ways, for example, as 61240905961 + 43983317284 = 247469^2 + 209722^2 .

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

It is not a de Polignac number, because 105224223245 - 2¹⁴ = 105224206861 is a prime.

It is a super-2 number, since 2×105224223245² (a number of 23 digits) contains 22 as substring.

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, 370196 + ... + 589485.

It is an arithmetic number, because the mean of its divisors is an integer number (15784369695).

Almost surely, 2^105224223245 is an apocalyptic number.

It is an amenable number.

105224223245 is a deficient number, since it is larger than the sum of its proper divisors (21050734315).

105224223245 is an equidigital number, since it uses as much as digits as its factorization.

105224223245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981615.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 105224223245 its reverse (542322422501), we get a palindrome (647546645746).

The spelling of 105224223245 in words is "one hundred five billion, two hundred twenty-four million, two hundred twenty-three thousand, two hundred forty-five".