220522442 has 48 divisors (see below), whose sum is σ = 402070248. Its totient is φ = 90357120.

The previous prime is 220522441. The next prime is 220522469. The reversal of 220522442 is 244225022.

It can be written as a sum of positive squares in 4 ways, for example, as 205320241 + 15202201 = 14329^2 + 3899^2 .

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 in 23 ways as a sum of consecutive naturals, for example, 220688 + ... + 221684.

Almost surely, 2^220522442 is an apocalyptic number.

220522442 is a deficient number, since it is larger than the sum of its proper divisors (181547806).

220522442 is a wasteful number, since it uses less digits than its factorization.

220522442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 220522442 is about 14849.9980471379. The cubic root of 220522442 is about 604.1585570459.

Adding to 220522442 its reverse (244225022), we get a palindrome (464747464).

The spelling of 220522442 in words is "two hundred twenty million, five hundred twenty-two thousand, four hundred forty-two".