221202242234 has 16 divisors (see below), whose sum is σ = 351336019968. Its totient is φ = 104090784192.

The previous prime is 221202242227. The next prime is 221202242279. The reversal of 221202242234 is 432242202122.

It is a happy number.

221202242234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 767687 + ... + 1015749.

It is an arithmetic number, because the mean of its divisors is an integer number (21958501248).

Almost surely, 2^221202242234 is an apocalyptic number.

221202242234 is a deficient number, since it is larger than the sum of its proper divisors (130133777734).

221202242234 is a wasteful number, since it uses less digits than its factorization.

221202242234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274309.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 221202242234 its reverse (432242202122), we get a palindrome (653444444356).

The spelling of 221202242234 in words is "two hundred twenty-one billion, two hundred two million, two hundred forty-two thousand, two hundred thirty-four".