220252243 has 4 divisors (see below), whose sum is σ = 221089968. Its totient is φ = 219414520.

The previous prime is 220252183. The next prime is 220252261. The reversal of 220252243 is 342252022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220252243 - 2²⁵ = 186697811 is a prime.

It is a super-2 number, since 2×220252243² = 97022101093062098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220258243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418468 + ... + 418993.

It is an arithmetic number, because the mean of its divisors is an integer number (55272492).

Almost surely, 2^220252243 is an apocalyptic number.

220252243 is a deficient number, since it is larger than the sum of its proper divisors (837725).

220252243 is an equidigital number, since it uses as much as digits as its factorization.

220252243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837724.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 220252243 is about 14840.8976480535. The cubic root of 220252243 is about 603.9117042327.

It can be divided in two parts, 2202 and 52243, that added together give a palindrome (54445).

The spelling of 220252243 in words is "two hundred twenty million, two hundred fifty-two thousand, two hundred forty-three".