221141263 has 12 divisors (see below), whose sum is σ = 261609480. Its totient is φ = 186334512.

The previous prime is 221141257. The next prime is 221141351. The reversal of 221141263 is 362141122.

It is not a de Polignac number, because 221141263 - 2¹³ = 221133071 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 (221141213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35356 + ... + 41137.

It is an arithmetic number, because the mean of its divisors is an integer number (21800790).

Almost surely, 2^221141263 is an apocalyptic number.

221141263 is a deficient number, since it is larger than the sum of its proper divisors (40468217).

221141263 is an equidigital number, since it uses as much as digits as its factorization.

221141263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76566 (or 76559 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 221141263 is about 14870.8191771671. The cubic root of 221141263 is about 604.7231508866.

Adding to 221141263 its reverse (362141122), we get a palindrome (583282385).

The spelling of 221141263 in words is "two hundred twenty-one million, one hundred forty-one thousand, two hundred sixty-three".