221334540602 has 32 divisors (see below), whose sum is σ = 398372929920. Its totient is φ = 90219729600.

The previous prime is 221334540601. The next prime is 221334540617. The reversal of 221334540602 is 206045433122.

It is not an unprimeable number, because it can be changed into a prime (221334540601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4041149 + ... + 4095552.

It is an arithmetic number, because the mean of its divisors is an integer number (12449154060).

Almost surely, 2^221334540602 is an apocalyptic number.

221334540602 is a deficient number, since it is larger than the sum of its proper divisors (177038389318).

221334540602 is a wasteful number, since it uses less digits than its factorization.

221334540602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136806.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 221334540602 its reverse (206045433122), we get a palindrome (427379973724).

The spelling of 221334540602 in words is "two hundred twenty-one billion, three hundred thirty-four million, five hundred forty thousand, six hundred two".