220122752 has 32 divisors (see below), whose sum is σ = 461611200. Its totient is φ = 104267520.

The previous prime is 220122743. The next prime is 220122767. The reversal of 220122752 is 257221022.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42824 + ... + 47687.

It is an arithmetic number, because the mean of its divisors is an integer number (14425350).

Almost surely, 2^220122752 is an apocalyptic number.

It is an amenable number.

220122752 is an abundant number, since it is smaller than the sum of its proper divisors (241488448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220122752 is an equidigital number, since it uses as much as digits as its factorization.

220122752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90544 (or 90532 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 220122752 is about 14836.5343662191. The cubic root of 220122752 is about 603.7933301664.

Adding to 220122752 its reverse (257221022), we get a palindrome (477343774).

The spelling of 220122752 in words is "two hundred twenty million, one hundred twenty-two thousand, seven hundred fifty-two".