2261444066 has 16 divisors (see below), whose sum is σ = 3890763456. Its totient is φ = 965689776.

The previous prime is 2261444039. The next prime is 2261444069. The reversal of 2261444066 is 6604441622.

2261444066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261444066² = 10228258527293224712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2261444069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287696 + ... + 295451.

It is an arithmetic number, because the mean of its divisors is an integer number (243172716).

Almost surely, 2^2261444066 is an apocalyptic number.

2261444066 is a deficient number, since it is larger than the sum of its proper divisors (1629319390).

2261444066 is a wasteful number, since it uses less digits than its factorization.

2261444066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583433.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2261444066 is about 47554.6429489277. The cubic root of 2261444066 is about 1312.5885661293.

Adding to 2261444066 its reverse (6604441622), we get a palindrome (8865885688).

The spelling of 2261444066 in words is "two billion, two hundred sixty-one million, four hundred forty-four thousand, sixty-six".