221332222010 has 16 divisors (see below), whose sum is σ = 398508028416. Its totient is φ = 88508437968.

The previous prime is 221332221989. The next prime is 221332222043. The reversal of 221332222010 is 10222233122.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3018314 + ... + 3090773.

It is an arithmetic number, because the mean of its divisors is an integer number (24906751776).

Almost surely, 2^221332222010 is an apocalyptic number.

221332222010 is a deficient number, since it is larger than the sum of its proper divisors (177175806406).

221332222010 is a wasteful number, since it uses less digits than its factorization.

221332222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112717.

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

Adding to 221332222010 its reverse (10222233122), we get a palindrome (231554455132).

The spelling of 221332222010 in words is "two hundred twenty-one billion, three hundred thirty-two million, two hundred twenty-two thousand, ten".