220002263 has 4 divisors (see below), whose sum is σ = 236925528. Its totient is φ = 203079000.

The previous prime is 220002203. The next prime is 220002283. The reversal of 220002263 is 362200022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362200022 = 2 ⋅181100011.

It is a cyclic number.

It is not a de Polignac number, because 220002263 - 2¹² = 219998167 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 (220002203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8461613 + ... + 8461638.

It is an arithmetic number, because the mean of its divisors is an integer number (59231382).

Almost surely, 2^220002263 is an apocalyptic number.

220002263 is a deficient number, since it is larger than the sum of its proper divisors (16923265).

220002263 is a wasteful number, since it uses less digits than its factorization.

220002263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923264.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220002263 is about 14832.4732597096. The cubic root of 220002263 is about 603.6831435670.

Adding to 220002263 its reverse (362200022), we get a palindrome (582202285).

The spelling of 220002263 in words is "two hundred twenty million, two thousand, two hundred sixty-three".