222200100000221 has 8 divisors (see below), whose sum is σ = 253944127941504. Its totient is φ = 190456361187120.

The previous prime is 222200100000163. The next prime is 222200100000223. The reversal of 222200100000221 is 122000001002222.

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

It is a de Polignac number, because none of the positive numbers 2^k-222200100000221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222200100000196 and 222200100000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200100000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70632710 + ... + 73711463.

It is an arithmetic number, because the mean of its divisors is an integer number (31743015992688).

Almost surely, 2^{222200100000221} is an apocalyptic number.

It is an amenable number.

222200100000221 is a deficient number, since it is larger than the sum of its proper divisors (31744027941283).

222200100000221 is a wasteful number, since it uses less digits than its factorization.

222200100000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144564091.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222200100000221 its reverse (122000001002222), we get a palindrome (344200101002443).

The spelling of 222200100000221 in words is "two hundred twenty-two trillion, two hundred billion, one hundred million, two hundred twenty-one", and thus it is an aban number.