221450334760606 has 64 divisors (see below), whose sum is σ = 412528831856640. Its totient is φ = 87005746620000.

The previous prime is 221450334760601. The next prime is 221450334760621. The reversal of 221450334760606 is 606067433054122.

It is a self number, because there is not a number n which added to its sum of digits gives 221450334760606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221450334760601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119064741 + ... + 120910351.

It is an arithmetic number, because the mean of its divisors is an integer number (6445762997760).

Almost surely, 2^{221450334760606} is an apocalyptic number.

221450334760606 is a deficient number, since it is larger than the sum of its proper divisors (191078497096034).

221450334760606 is a wasteful number, since it uses less digits than its factorization.

221450334760606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860221.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 221450334760606 in words is "two hundred twenty-one trillion, four hundred fifty billion, three hundred thirty-four million, seven hundred sixty thousand, six hundred six".