220775422250 has 32 divisors (see below), whose sum is σ = 413835037200. Its totient is φ = 88194048000.

The previous prime is 220775422249. The next prime is 220775422253. The reversal of 220775422250 is 52224577022.

It can be written as a sum of positive squares in 8 ways, for example, as 61425161281 + 159350260969 = 247841^2 + 399187^2 .

It is not an unprimeable number, because it can be changed into a prime (220775422253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389975 + ... + 770474.

Almost surely, 2^220775422250 is an apocalyptic number.

220775422250 is a deficient number, since it is larger than the sum of its proper divisors (193059614950).

220775422250 is a wasteful number, since it uses less digits than its factorization.

220775422250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161227 (or 1161217 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 38.

Adding to 220775422250 its reverse (52224577022), we get a palindrome (272999999272).

The spelling of 220775422250 in words is "two hundred twenty billion, seven hundred seventy-five million, four hundred twenty-two thousand, two hundred fifty".