442440442223 has 16 divisors (see below), whose sum is σ = 480638261376. Its totient is φ = 404845996800.

The previous prime is 442440442211. The next prime is 442440442243. The reversal of 442440442223 is 322244044244.

It is a cyclic number.

It is not a de Polignac number, because 442440442223 - 2⁴ = 442440442207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442440442243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071290 + ... + 1425672.

It is an arithmetic number, because the mean of its divisors is an integer number (30039891336).

Almost surely, 2^442440442223 is an apocalyptic number.

442440442223 is a deficient number, since it is larger than the sum of its proper divisors (38197819153).

442440442223 is a wasteful number, since it uses less digits than its factorization.

442440442223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355234.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 442440442223 its reverse (322244044244), we get a palindrome (764684486467).

The spelling of 442440442223 in words is "four hundred forty-two billion, four hundred forty million, four hundred forty-two thousand, two hundred twenty-three".