221341010 has 32 divisors (see below), whose sum is σ = 438504192. Its totient is φ = 79770880.

The previous prime is 221340991. The next prime is 221341019. The reversal of 221341010 is 10143122.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221341019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3527 + ... + 21333.

It is an arithmetic number, because the mean of its divisors is an integer number (13703256).

Almost surely, 2^221341010 is an apocalyptic number.

221341010 is a deficient number, since it is larger than the sum of its proper divisors (217163182).

221341010 is a wasteful number, since it uses less digits than its factorization.

221341010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17938.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 221341010 is about 14877.5337337880. The cubic root of 221341010 is about 604.9051692086.

Adding to 221341010 its reverse (10143122), we get a palindrome (231484132).

The spelling of 221341010 in words is "two hundred twenty-one million, three hundred forty-one thousand, ten".