221736482234 has 8 divisors (see below), whose sum is σ = 337160952660. Its totient is φ = 109349498016.

The previous prime is 221736482221. The next prime is 221736482273. The reversal of 221736482234 is 432284637122.

It can be written as a sum of positive squares in 2 ways, for example, as 221038201609 + 698280625 = 470147^2 + 26425^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759371369 + ... + 759371660.

Almost surely, 2^221736482234 is an apocalyptic number.

221736482234 is a deficient number, since it is larger than the sum of its proper divisors (115424470426).

221736482234 is a wasteful number, since it uses less digits than its factorization.

221736482234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518743104.

The product of its digits is 774144, while the sum is 44.

The spelling of 221736482234 in words is "two hundred twenty-one billion, seven hundred thirty-six million, four hundred eighty-two thousand, two hundred thirty-four".