442233140334481 has 2 divisors, whose sum is σ = 442233140334482. Its totient is φ = 442233140334480.

The previous prime is 442233140334343. The next prime is 442233140334527. The reversal of 442233140334481 is 184433041332244.

It is a happy number.

It is an a-pointer prime, because the next prime (442233140334527) can be obtained adding 442233140334481 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393368356922256 + 48864783412225 = 19833516^2 + 6990335^2 .

It is a cyclic number.

It is not a de Polignac number, because 442233140334481 - 2²³ = 442233131945873 is a prime.

It is a super-2 number, since 2×442233140334481² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442233140034481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221116570167240 + 221116570167241.

It is an arithmetic number, because the mean of its divisors is an integer number (221116570167241).

Almost surely, 2^{442233140334481} is an apocalyptic number.

It is an amenable number.

442233140334481 is a deficient number, since it is larger than the sum of its proper divisors (1).

442233140334481 is an equidigital number, since it uses as much as digits as its factorization.

442233140334481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 442233140334481 in words is "four hundred forty-two trillion, two hundred thirty-three billion, one hundred forty million, three hundred thirty-four thousand, four hundred eighty-one".