221022200020222 has 32 divisors (see below), whose sum is σ = 335128991101632. Its totient is φ = 109319431163904.

The previous prime is 221022200020151. The next prime is 221022200020241. The reversal of 221022200020222 is 222020002220122.

It is a super-3 number, since 3×221022200020222³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221022200020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145002438 + ... + 146518774.

It is an arithmetic number, because the mean of its divisors is an integer number (10472780971926).

Almost surely, 2^{221022200020222} is an apocalyptic number.

221022200020222 is a deficient number, since it is larger than the sum of its proper divisors (114106791081410).

221022200020222 is a wasteful number, since it uses less digits than its factorization.

221022200020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518612.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 221022200020222 its reverse (222020002220122), we get a palindrome (443042202240344).

The spelling of 221022200020222 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred million, twenty thousand, two hundred twenty-two".