1066222201 has 16 divisors (see below), whose sum is σ = 1285123968. Its totient is φ = 872608000.

The previous prime is 1066222181. The next prime is 1066222237. The reversal of 1066222201 is 1022226601.

It is not a de Polignac number, because 1066222201 - 2²⁹ = 529351289 is a prime.

It is a super-2 number, since 2×1066222201² = 2273659563810568802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119650 + ... + 128251.

It is an arithmetic number, because the mean of its divisors is an integer number (80320248).

Almost surely, 2^1066222201 is an apocalyptic number.

1066222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1066222201 is a deficient number, since it is larger than the sum of its proper divisors (218901767).

1066222201 is a wasteful number, since it uses less digits than its factorization.

1066222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247952.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1066222201 is about 32653.0580650572. The cubic root of 1066222201 is about 1021.6039742117.

Adding to 1066222201 its reverse (1022226601), we get a palindrome (2088448802).

The spelling of 1066222201 in words is "one billion, sixty-six million, two hundred twenty-two thousand, two hundred one".