220221022001022 has 64 divisors (see below), whose sum is σ = 592190983549440. Its totient is φ = 59219098351488.

The previous prime is 220221022000963. The next prime is 220221022001051. The reversal of 220221022001022 is 220100220122022.

220221022001022 is a `hidden beast` number, since 2 + 202 + 210 + 220 + 0 + 10 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220221022000986 and 220221022001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17135149348 + ... + 17135162199.

It is an arithmetic number, because the mean of its divisors is an integer number (9252984117960).

Almost surely, 2^{220221022001022} is an apocalyptic number.

220221022001022 is an abundant number, since it is smaller than the sum of its proper divisors (371969961548418).

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

220221022001022 is a wasteful number, since it uses less digits than its factorization.

220221022001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34270311582 (or 34270311576 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220221022001022 its reverse (220100220122022), we get a palindrome (440321242123044).

The spelling of 220221022001022 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty-two million, one thousand, twenty-two".