220221022220022 has 8 divisors (see below), whose sum is σ = 440442044440056. Its totient is φ = 73407007406672.

The previous prime is 220221022219969. The next prime is 220221022220053. The reversal of 220221022220022 is 220022220122022.

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

220221022220022 is an admirable number.

It is a congruent number.

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, 18351751851663 + ... + 18351751851674.

It is an arithmetic number, because the mean of its divisors is an integer number (55055255555007).

Almost surely, 2^{220221022220022} is an apocalyptic number.

220221022220022 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.

220221022220022 is a wasteful number, since it uses less digits than its factorization.

220221022220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36703503703342.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 220221022220022 its reverse (220022220122022), we get a palindrome (440243242342044).

The spelling of 220221022220022 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty-two million, two hundred twenty thousand, twenty-two".