220949122 has 16 divisors (see below), whose sum is σ = 335495160. Its totient is φ = 109122048.

The previous prime is 220949117. The next prime is 220949129. The reversal of 220949122 is 221949022.

It can be written as a sum of positive squares in 4 ways, for example, as 132043081 + 88906041 = 11491^2 + 9429^2 .

It is not an unprimeable number, because it can be changed into a prime (220949129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153904 + ... + 155332.

Almost surely, 2^220949122 is an apocalyptic number.

220949122 is a deficient number, since it is larger than the sum of its proper divisors (114546038).

220949122 is a wasteful number, since it uses less digits than its factorization.

220949122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 220949122 is about 14864.3574364989. The cubic root of 220949122 is about 604.5479600346.

The spelling of 220949122 in words is "two hundred twenty million, nine hundred forty-nine thousand, one hundred twenty-two".