222620521052226 has 48 divisors (see below), whose sum is σ = 515969801589600. Its totient is φ = 63492483717120.

The previous prime is 222620521052207. The next prime is 222620521052261. The reversal of 222620521052226 is 622250125026222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5835687151 + ... + 5835725298.

It is an arithmetic number, because the mean of its divisors is an integer number (10749370866450).

Almost surely, 2^{222620521052226} is an apocalyptic number.

222620521052226 is an abundant number, since it is smaller than the sum of its proper divisors (293349280537374).

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

222620521052226 is a wasteful number, since it uses less digits than its factorization.

222620521052226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671412499 (or 11671412482 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 222620521052226 its reverse (622250125026222), we get a palindrome (844870646078448).

The spelling of 222620521052226 in words is "two hundred twenty-two trillion, six hundred twenty billion, five hundred twenty-one million, fifty-two thousand, two hundred twenty-six".