1000221031222 has 8 divisors (see below), whose sum is σ = 1714664624976. Its totient is φ = 428666156232.

The previous prime is 1000221031213. The next prime is 1000221031247. The reversal of 1000221031222 is 2221301220001.

It is a happy number.

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

It is a super-2 number, since 2×1000221031222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000221031196 and 1000221031205.

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, 35722179673 + ... + 35722179700.

It is an arithmetic number, because the mean of its divisors is an integer number (214333078122).

Almost surely, 2^{1000221031222} is an apocalyptic number.

1000221031222 is a deficient number, since it is larger than the sum of its proper divisors (714443593754).

1000221031222 is an equidigital number, since it uses as much as digits as its factorization.

1000221031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71444359382.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1000221031222 its reverse (2221301220001), we get a palindrome (3221522251223).

The spelling of 1000221031222 in words is "one trillion, two hundred twenty-one million, thirty-one thousand, two hundred twenty-two".