44242252231 has 2 divisors, whose sum is σ = 44242252232. Its totient is φ = 44242252230.

The previous prime is 44242252199. The next prime is 44242252253. The reversal of 44242252231 is 13225224244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44242252231 - 2⁵ = 44242252199 is a prime.

It is a super-2 number, since 2×44242252231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44242252193 and 44242252202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44242252631) 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 as a sum of consecutive naturals, namely, 22121126115 + 22121126116.

It is an arithmetic number, because the mean of its divisors is an integer number (22121126116).

Almost surely, 2^44242252231 is an apocalyptic number.

44242252231 is a deficient number, since it is larger than the sum of its proper divisors (1).

44242252231 is an equidigital number, since it uses as much as digits as its factorization.

44242252231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 31.

Adding to 44242252231 its reverse (13225224244), we get a palindrome (57467476475).

The spelling of 44242252231 in words is "forty-four billion, two hundred forty-two million, two hundred fifty-two thousand, two hundred thirty-one".