442223343322244 has 18 divisors (see below), whose sum is σ = 850640356680702. Its totient is φ = 201010610600800.

The previous prime is 442223343322207. The next prime is 442223343322247.

442223343322244 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 243788564512900 + 198434778809344 = 15613730^2 + 14086688^2 .

It is a super-2 number, since 2×442223343322244² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 442223343322195 and 442223343322204.

It is not an unprimeable number, because it can be changed into a prime (442223343322247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456842296337 + ... + 456842297304.

Almost surely, 2^{442223343322244} is an apocalyptic number.

442223343322244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442223343322244 is a deficient number, since it is larger than the sum of its proper divisors (408417013358458).

442223343322244 is a wasteful number, since it uses less digits than its factorization.

442223343322244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913684593667 (or 913684593654 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 44.

The spelling of 442223343322244 in words is "four hundred forty-two trillion, two hundred twenty-three billion, three hundred forty-three million, three hundred twenty-two thousand, two hundred forty-four".