221240240302 has 8 divisors (see below), whose sum is σ = 339954515712. Its totient is φ = 107922068400.

The previous prime is 221240240257. The next prime is 221240240327. The reversal of 221240240302 is 203042042122.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349025774 + ... + 1349025937.

It is an arithmetic number, because the mean of its divisors is an integer number (42494314464).

Almost surely, 2^221240240302 is an apocalyptic number.

221240240302 is a deficient number, since it is larger than the sum of its proper divisors (118714275410).

221240240302 is a wasteful number, since it uses less digits than its factorization.

221240240302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698051754.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 221240240302 its reverse (203042042122), we get a palindrome (424282282424).

The spelling of 221240240302 in words is "two hundred twenty-one billion, two hundred forty million, two hundred forty thousand, three hundred two".