221074621334 has 48 divisors (see below), whose sum is σ = 423710092800. Its totient is φ = 85857011856.

The previous prime is 221074621321. The next prime is 221074621387. The reversal of 221074621334 is 433126470122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221074621294 and 221074621303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2538254 + ... + 2623905.

It is an arithmetic number, because the mean of its divisors is an integer number (8827293600).

Almost surely, 2^221074621334 is an apocalyptic number.

221074621334 is a deficient number, since it is larger than the sum of its proper divisors (202635471466).

221074621334 is a wasteful number, since it uses less digits than its factorization.

221074621334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162217 (or 5162210 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 221074621334 in words is "two hundred twenty-one billion, seventy-four million, six hundred twenty-one thousand, three hundred thirty-four".