1005222221607 has 16 divisors (see below), whose sum is σ = 1364603834880. Its totient is φ = 658020889152.

The previous prime is 1005222221573. The next prime is 1005222221611. The reversal of 1005222221607 is 7061222225001.

It is not a de Polignac number, because 1005222221607 - 2¹⁸ = 1005221959463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005222221407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3161743 + ... + 3465120.

It is an arithmetic number, because the mean of its divisors is an integer number (85287739680).

Almost surely, 2^{1005222221607} is an apocalyptic number.

1005222221607 is a deficient number, since it is larger than the sum of its proper divisors (359381613273).

1005222221607 is an equidigital number, since it uses as much as digits as its factorization.

1005222221607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627782.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 1005222221607 its reverse (7061222225001), we get a palindrome (8066444446608).

The spelling of 1005222221607 in words is "one trillion, five billion, two hundred twenty-two million, two hundred twenty-one thousand, six hundred seven".