221222041402 has 8 divisors (see below), whose sum is σ = 331847647200. Its totient is φ = 110606159004.

The previous prime is 221222041361. The next prime is 221222041429. The reversal of 221222041402 is 204140222122.

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, 2373702 + ... + 2465137.

It is an arithmetic number, because the mean of its divisors is an integer number (41480955900).

Almost surely, 2^221222041402 is an apocalyptic number.

221222041402 is a deficient number, since it is larger than the sum of its proper divisors (110625605798).

221222041402 is a wasteful number, since it uses less digits than its factorization.

221222041402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861700.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221222041402 its reverse (204140222122), we get a palindrome (425362263524).

The spelling of 221222041402 in words is "two hundred twenty-one billion, two hundred twenty-two million, forty-one thousand, four hundred two".