221412507745674 has 32 divisors (see below), whose sum is σ = 506086857768960. Its totient is φ = 63260575776432.

The previous prime is 221412507745643. The next prime is 221412507745691. The reversal of 221412507745674 is 476547705214122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14036727 + ... + 25295349.

It is an arithmetic number, because the mean of its divisors is an integer number (15815214305280).

Almost surely, 2^{221412507745674} is an apocalyptic number.

221412507745674 is an abundant number, since it is smaller than the sum of its proper divisors (284674350023286).

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

221412507745674 is a wasteful number, since it uses less digits than its factorization.

221412507745674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11726874.

The product of its (nonzero) digits is 26342400, while the sum is 57.

The spelling of 221412507745674 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred seven million, seven hundred forty-five thousand, six hundred seventy-four".