221440443002 has 8 divisors (see below), whose sum is σ = 349642804800. Its totient is φ = 104892841404.

The previous prime is 221440442963. The next prime is 221440443019. The reversal of 221440443002 is 200344044122.

It is a happy number.

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, 2913690002 + ... + 2913690077.

It is an arithmetic number, because the mean of its divisors is an integer number (43705350600).

Almost surely, 2^221440443002 is an apocalyptic number.

221440443002 is a deficient number, since it is larger than the sum of its proper divisors (128202361798).

221440443002 is a wasteful number, since it uses less digits than its factorization.

221440443002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827380100.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 221440443002 its reverse (200344044122), we get a palindrome (421784487124).

The spelling of 221440443002 in words is "two hundred twenty-one billion, four hundred forty million, four hundred forty-three thousand, two".