222122202202221 has 8 divisors (see below), whose sum is σ = 296434396343904. Its totient is φ = 147945738097680.

The previous prime is 222122202202217. The next prime is 222122202202223. The reversal of 222122202202221 is 122202202221222.

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

It is not a de Polignac number, because 222122202202221 - 2² = 222122202202217 is a prime.

It is a super-2 number, since 2×222122202202221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222122202202191 and 222122202202200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122202202223) 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, 33932505466 + ... + 33932512011.

It is an arithmetic number, because the mean of its divisors is an integer number (37054299542988).

Almost surely, 2^{222122202202221} is an apocalyptic number.

It is an amenable number.

222122202202221 is a deficient number, since it is larger than the sum of its proper divisors (74312194141683).

222122202202221 is a wasteful number, since it uses less digits than its factorization.

222122202202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67865018571.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222122202202221 its reverse (122202202221222), we get a palindrome (344324404423443).

The spelling of 222122202202221 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two hundred two million, two hundred two thousand, two hundred twenty-one".