1005222221606 has 16 divisors (see below), whose sum is σ = 1599807731616. Its totient is φ = 472074397056.

The previous prime is 1005222221573. The next prime is 1005222221611. The reversal of 1005222221606 is 6061222225001.

It is a Curzon number.

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, 30338021 + ... + 30371136.

It is an arithmetic number, because the mean of its divisors is an integer number (99987983226).

Almost surely, 2^{1005222221606} is an apocalyptic number.

1005222221606 is a deficient number, since it is larger than the sum of its proper divisors (594585510010).

1005222221606 is a wasteful number, since it uses less digits than its factorization.

1005222221606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60709663.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1005222221606 its reverse (6061222225001), we get a palindrome (7066444446607).

The spelling of 1005222221606 in words is "one trillion, five billion, two hundred twenty-two million, two hundred twenty-one thousand, six hundred six".