222221000001 has 192 divisors, whose sum is σ = 424788295680. Its totient is φ = 101456893440.

The previous prime is 222220999967. The next prime is 222221000083. The reversal of 222221000001 is 100000122222.

It is not a de Polignac number, because 222221000001 - 2⁶ = 222220999937 is a prime.

It is a super-5 number, since 5×222221000001⁵ (a number of 58 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (222221001001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 36552480 + ... + 36558558.

It is an arithmetic number, because the mean of its divisors is an integer number (2212439040).

Almost surely, 2^222221000001 is an apocalyptic number.

222221000001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222221000001 is a deficient number, since it is larger than the sum of its proper divisors (202567295679).

222221000001 is a wasteful number, since it uses less digits than its factorization.

222221000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204 (or 6197 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222221000001 its reverse (100000122222), we get a palindrome (322221122223).

It can be divided in two parts, 22222 and 1000001, that multiplied together give a palindrome (22222022222).

The spelling of 222221000001 in words is "two hundred twenty-two billion, two hundred twenty-one million, one", and thus it is an aban number.