221474030770 has 16 divisors (see below), whose sum is σ = 398661056640. Its totient is φ = 88587878704.

The previous prime is 221474030761. The next prime is 221474030773. The reversal of 221474030770 is 77030474122.

It is not an unprimeable number, because it can be changed into a prime (221474030773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404721 + ... + 778939.

It is an arithmetic number, because the mean of its divisors is an integer number (24916316040).

Almost surely, 2^221474030770 is an apocalyptic number.

221474030770 is a deficient number, since it is larger than the sum of its proper divisors (177187025870).

221474030770 is a wasteful number, since it uses less digits than its factorization.

221474030770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433409.

The product of its (nonzero) digits is 65856, while the sum is 37.

The spelling of 221474030770 in words is "two hundred twenty-one billion, four hundred seventy-four million, thirty thousand, seven hundred seventy".