442343101 has 4 divisors (see below), whose sum is σ = 442518652. Its totient is φ = 442167552.

The previous prime is 442343093. The next prime is 442343117. The reversal of 442343101 is 101343244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315240025 + 127103076 = 17755^2 + 11274^2 .

It is a cyclic number.

It is not a de Polignac number, because 442343101 - 2³ = 442343093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442343131) 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 3 ways as a sum of consecutive naturals, for example, 83940 + ... + 89053.

It is an arithmetic number, because the mean of its divisors is an integer number (110629663).

Almost surely, 2^442343101 is an apocalyptic number.

It is an amenable number.

442343101 is a deficient number, since it is larger than the sum of its proper divisors (175551).

442343101 is a wasteful number, since it uses less digits than its factorization.

442343101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175550.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 442343101 is about 21031.9542838986. The cubic root of 442343101 is about 761.9382089955.

Adding to 442343101 its reverse (101343244), we get a palindrome (543686345).

It can be divided in two parts, 4423 and 43101, that added together give a square (47524 = 218²).

The spelling of 442343101 in words is "four hundred forty-two million, three hundred forty-three thousand, one hundred one".