2242220066 has 32 divisors (see below), whose sum is σ = 3636128880. Its totient is φ = 1033113600.

The previous prime is 2242220063. The next prime is 2242220069. The reversal of 2242220066 is 6600222422.

It is an interprime number because it is at equal distance from previous prime (2242220063) and next prime (2242220069).

It can be written as a sum of positive squares in 8 ways, for example, as 1400930041 + 841290025 = 37429^2 + 29005^2 .

It is not an unprimeable number, because it can be changed into a prime (2242220063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472586 + ... + 477306.

Almost surely, 2^2242220066 is an apocalyptic number.

2242220066 is a deficient number, since it is larger than the sum of its proper divisors (1393908814).

2242220066 is a wasteful number, since it uses less digits than its factorization.

2242220066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2242220066 is about 47352.0861842432. The cubic root of 2242220066 is about 1308.8586422480.

Adding to 2242220066 its reverse (6600222422), we get a palindrome (8842442488).

The spelling of 2242220066 in words is "two billion, two hundred forty-two million, two hundred twenty thousand, sixty-six".