221545475740274 has 32 divisors (see below), whose sum is σ = 381808242259200. Its totient is φ = 94445180262720.

The previous prime is 221545475740273. The next prime is 221545475740333. The reversal of 221545475740274 is 472047574545122.

It is not an unprimeable number, because it can be changed into a prime (221545475740273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44238389 + ... + 48991080.

It is an arithmetic number, because the mean of its divisors is an integer number (11931507570600).

Almost surely, 2^{221545475740274} is an apocalyptic number.

221545475740274 is a deficient number, since it is larger than the sum of its proper divisors (160262766518926).

221545475740274 is a wasteful number, since it uses less digits than its factorization.

221545475740274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93230378.

The product of its (nonzero) digits is 87808000, while the sum is 59.

The spelling of 221545475740274 in words is "two hundred twenty-one trillion, five hundred forty-five billion, four hundred seventy-five million, seven hundred forty thousand, two hundred seventy-four".