221222042302 has 8 divisors (see below), whose sum is σ = 331883736912. Its totient is φ = 110594130000.

The previous prime is 221222042299. The next prime is 221222042311. The reversal of 221222042302 is 203240222122.

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, 8429199 + ... + 8455402.

It is an arithmetic number, because the mean of its divisors is an integer number (41485467114).

Almost surely, 2^221222042302 is an apocalyptic number.

221222042302 is a deficient number, since it is larger than the sum of its proper divisors (110661694610).

221222042302 is a wasteful number, since it uses less digits than its factorization.

221222042302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16891154.

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

Adding to 221222042302 its reverse (203240222122), we get a palindrome (424462264424).

It can be divided in two parts, 2212220 and 42302, that added together give a palindrome (2254522).

The spelling of 221222042302 in words is "two hundred twenty-one billion, two hundred twenty-two million, forty-two thousand, three hundred two".