221227044335232 has 128 divisors (see below), whose sum is σ = 648272026624320. Its totient is φ = 66409619251200.

The previous prime is 221227044335221. The next prime is 221227044335239. The reversal of 221227044335232 is 232533440722122.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (221227044335239) 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, 540238194 + ... + 540647537.

Almost surely, 2^{221227044335232} is an apocalyptic number.

It is an amenable number.

221227044335232 is an abundant number, since it is smaller than the sum of its proper divisors (427044982289088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221227044335232 is a wasteful number, since it uses less digits than its factorization.

221227044335232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080885802 (or 1080885790 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 42.

The spelling of 221227044335232 in words is "two hundred twenty-one trillion, two hundred twenty-seven billion, forty-four million, three hundred thirty-five thousand, two hundred thirty-two".