2221000100222 has 8 divisors (see below), whose sum is σ = 3337061922000. Its totient is φ = 1108646126224.

The previous prime is 2221000100219. The next prime is 2221000100233. The reversal of 2221000100222 is 2220010001222.

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

It is a super-2 number, since 2×2221000100222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221000100197 and 2221000100206.

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, 926960447 + ... + 926962842.

It is an arithmetic number, because the mean of its divisors is an integer number (417132740250).

Almost surely, 2^{2221000100222} is an apocalyptic number.

2221000100222 is a deficient number, since it is larger than the sum of its proper divisors (1116061821778).

2221000100222 is a wasteful number, since it uses less digits than its factorization.

2221000100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853923890.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2221000100222 its reverse (2220010001222), we get a palindrome (4441010101444).

The spelling of 2221000100222 in words is "two trillion, two hundred twenty-one billion, one hundred thousand, two hundred twenty-two".