4122444261 has 64 divisors (see below), whose sum is σ = 6370721280. Its totient is φ = 2351247360.

The previous prime is 4122444253. The next prime is 4122444289. The reversal of 4122444261 is 1624442214.

It is not a de Polignac number, because 4122444261 - 2³ = 4122444253 is a prime.

It is a super-2 number, since 2×4122444261² = 33989093370103672242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122444241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7244785 + ... + 7245353.

It is an arithmetic number, because the mean of its divisors is an integer number (99542520).

Almost surely, 2^4122444261 is an apocalyptic number.

4122444261 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4122444261 is a deficient number, since it is larger than the sum of its proper divisors (2248277019).

4122444261 is a wasteful number, since it uses less digits than its factorization.

4122444261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its digits is 12288, while the sum is 30.

The square root of 4122444261 is about 64206.2634094214. The cubic root of 4122444261 is about 1603.4358795768.

Adding to 4122444261 its reverse (1624442214), we get a palindrome (5746886475).

The spelling of 4122444261 in words is "four billion, one hundred twenty-two million, four hundred forty-four thousand, two hundred sixty-one".