221980302242 has 16 divisors (see below), whose sum is σ = 334540748160. Its totient is φ = 110467057008.

The previous prime is 221980302239. The next prime is 221980302281. The reversal of 221980302242 is 242203089122.

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, 1257773 + ... + 1423359.

It is an arithmetic number, because the mean of its divisors is an integer number (20908796760).

Almost surely, 2^221980302242 is an apocalyptic number.

221980302242 is a deficient number, since it is larger than the sum of its proper divisors (112560445918).

221980302242 is a wasteful number, since it uses less digits than its factorization.

221980302242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168745.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 221980302242 in words is "two hundred twenty-one billion, nine hundred eighty million, three hundred two thousand, two hundred forty-two".