1005222222201 has 16 divisors (see below), whose sum is σ = 1424533233024. Its totient is φ = 628329456384.

The previous prime is 1005222222181. The next prime is 1005222222211. The reversal of 1005222222201 is 1022222225001.

It is not a de Polignac number, because 1005222222201 - 2⁷ = 1005222222073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005222222211) 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, 37458526 + ... + 37485351.

It is an arithmetic number, because the mean of its divisors is an integer number (89033327064).

Almost surely, 2^{1005222222201} is an apocalyptic number.

It is an amenable number.

1005222222201 is a deficient number, since it is larger than the sum of its proper divisors (419311010823).

1005222222201 is a wasteful number, since it uses less digits than its factorization.

1005222222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74944160.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 1005222222201 its reverse (1022222225001), we get a palindrome (2027444447202).

The spelling of 1005222222201 in words is "one trillion, five billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".