442222301848357 has 2 divisors, whose sum is σ = 442222301848358. Its totient is φ = 442222301848356.

The previous prime is 442222301848291. The next prime is 442222301848451. The reversal of 442222301848357 is 753848103222244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363070692883396 + 79151608964961 = 19054414^2 + 8896719^2 .

It is a cyclic number.

It is not a de Polignac number, because 442222301848357 - 2¹⁵ = 442222301815589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442222301848298 and 442222301848307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442202301848357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221111150924178 + 221111150924179.

It is an arithmetic number, because the mean of its divisors is an integer number (221111150924179).

Almost surely, 2^{442222301848357} is an apocalyptic number.

It is an amenable number.

442222301848357 is a deficient number, since it is larger than the sum of its proper divisors (1).

442222301848357 is an equidigital number, since it uses as much as digits as its factorization.

442222301848357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20643840, while the sum is 55.

The spelling of 442222301848357 in words is "four hundred forty-two trillion, two hundred twenty-two billion, three hundred one million, eight hundred forty-eight thousand, three hundred fifty-seven".