221412504362266 has 16 divisors (see below), whose sum is σ = 379714259390400. Its totient is φ = 94853581748640.

The previous prime is 221412504362219. The next prime is 221412504362293. The reversal of 221412504362266 is 662263405214122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124259091 + ... + 3124329958.

It is an arithmetic number, because the mean of its divisors is an integer number (23732141211900).

Almost surely, 2^{221412504362266} is an apocalyptic number.

221412504362266 is a deficient number, since it is larger than the sum of its proper divisors (158301755028134).

221412504362266 is a wasteful number, since it uses less digits than its factorization.

221412504362266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248591589.

The product of its (nonzero) digits is 1658880, while the sum is 46.

Adding to 221412504362266 its reverse (662263405214122), we get a palindrome (883675909576388).

The spelling of 221412504362266 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred four million, three hundred sixty-two thousand, two hundred sixty-six".