221450333343374 has 8 divisors (see below), whose sum is σ = 332177137109688. Its totient is φ = 110724620973480.

The previous prime is 221450333343287. The next prime is 221450333343389. The reversal of 221450333343374 is 473343333054122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 272341652 + ... + 273153575.

It is an arithmetic number, because the mean of its divisors is an integer number (41522142138711).

Almost surely, 2^{221450333343374} is an apocalyptic number.

221450333343374 is a deficient number, since it is larger than the sum of its proper divisors (110726803766314).

221450333343374 is a wasteful number, since it uses less digits than its factorization.

221450333343374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545698210.

The product of its (nonzero) digits is 6531840, while the sum is 47.

Adding to 221450333343374 its reverse (473343333054122), we get a palindrome (694793666397496).

The spelling of 221450333343374 in words is "two hundred twenty-one trillion, four hundred fifty billion, three hundred thirty-three million, three hundred forty-three thousand, three hundred seventy-four".