222216053226 has 8 divisors (see below), whose sum is σ = 444432106464. Its totient is φ = 74072017740.

The previous prime is 222216053221. The next prime is 222216053287. The reversal of 222216053226 is 622350612222.

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

222216053226 is an admirable number.

It is a super-2 number, since 2×222216053226² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222216053221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18518004430 + ... + 18518004441.

It is an arithmetic number, because the mean of its divisors is an integer number (55554013308).

Almost surely, 2^222216053226 is an apocalyptic number.

222216053226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222216053226 is a wasteful number, since it uses less digits than its factorization.

222216053226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37036008876.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 222216053226 its reverse (622350612222), we get a palindrome (844566665448).

The spelling of 222216053226 in words is "two hundred twenty-two billion, two hundred sixteen million, fifty-three thousand, two hundred twenty-six".