220212263 has 4 divisors (see below), whose sum is σ = 222999840. Its totient is φ = 217424688.

The previous prime is 220212259. The next prime is 220212301. The reversal of 220212263 is 362212022.

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 220212263 - 2² = 220212259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212163) 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, 1393670 + ... + 1393827.

It is an arithmetic number, because the mean of its divisors is an integer number (55749960).

Almost surely, 2^220212263 is an apocalyptic number.

220212263 is a deficient number, since it is larger than the sum of its proper divisors (2787577).

220212263 is an equidigital number, since it uses as much as digits as its factorization.

220212263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787576.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 220212263 is about 14839.5506333581. The cubic root of 220212263 is about 603.8751615084.

Adding to 220212263 its reverse (362212022), we get a palindrome (582424285).

The spelling of 220212263 in words is "two hundred twenty million, two hundred twelve thousand, two hundred sixty-three".