220522444 has 6 divisors (see below), whose sum is σ = 385914284. Its totient is φ = 110261220.

The previous prime is 220522441. The next prime is 220522469. The reversal of 220522444 is 444225022.

It is not an unprimeable number, because it can be changed into a prime (220522441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27565302 + ... + 27565309.

Almost surely, 2^220522444 is an apocalyptic number.

It is an amenable number.

220522444 is a deficient number, since it is larger than the sum of its proper divisors (165391840).

220522444 is a wasteful number, since it uses less digits than its factorization.

220522444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55130615 (or 55130613 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 220522444 is about 14849.9981144780. The cubic root of 220522444 is about 604.1585588723.

Adding to 220522444 its reverse (444225022), we get a palindrome (664747466).

It can be divided in two parts, 2205 and 22444, that added together give a square (24649 = 157²).

The spelling of 220522444 in words is "two hundred twenty million, five hundred twenty-two thousand, four hundred forty-four".