2221006001222 has 24 divisors (see below), whose sum is σ = 3559083000624. Its totient is φ = 1037517424944.

The previous prime is 2221006001213. The next prime is 2221006001257.

2221006001222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2221006001194 and 2221006001203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12971393 + ... + 13141500.

It is an arithmetic number, because the mean of its divisors is an integer number (148295125026).

Almost surely, 2^{2221006001222} is an apocalyptic number.

2221006001222 is a deficient number, since it is larger than the sum of its proper divisors (1338076999402).

2221006001222 is a wasteful number, since it uses less digits than its factorization.

2221006001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26113004 (or 26112961 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The spelling of 2221006001222 in words is "two trillion, two hundred twenty-one billion, six million, one thousand, two hundred twenty-two".