221572245057674 has 32 divisors (see below), whose sum is σ = 401209372286976. Its totient is φ = 89759199040560.

The previous prime is 221572245057661. The next prime is 221572245057703. The reversal of 221572245057674 is 476750542275122.

It is an unprimeable number.

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, 5936436302 + ... + 5936473625.

It is an arithmetic number, because the mean of its divisors is an integer number (12537792883968).

Almost surely, 2^{221572245057674} is an apocalyptic number.

221572245057674 is a deficient number, since it is larger than the sum of its proper divisors (179637127229302).

221572245057674 is a wasteful number, since it uses less digits than its factorization.

221572245057674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872910010.

The product of its (nonzero) digits is 65856000, while the sum is 59.

The spelling of 221572245057674 in words is "two hundred twenty-one trillion, five hundred seventy-two billion, two hundred forty-five million, fifty-seven thousand, six hundred seventy-four".