1005222222222 has 16 divisors (see below), whose sum is σ = 2012774054400. Its totient is φ = 334685805752.

The previous prime is 1005222222211. The next prime is 1005222222241. The reversal of 1005222222222 is 2222222225001.

1005222222222 is a modest number, since divided by 2222222 gives 100522 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1005222222192 and 1005222222201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97061472 + ... + 97071827.

It is an arithmetic number, because the mean of its divisors is an integer number (125798378400).

Almost surely, 2^{1005222222222} is an apocalyptic number.

1005222222222 is an abundant number, since it is smaller than the sum of its proper divisors (1007551832178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005222222222 is a wasteful number, since it uses less digits than its factorization.

1005222222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194134167.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 1005222222222 its reverse (2222222225001), we get a palindrome (3227444447223).

The spelling of 1005222222222 in words is "one trillion, five billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".