1042444223 has 16 divisors (see below), whose sum is σ = 1107671040. Its totient is φ = 979624800.

The previous prime is 1042444219. The next prime is 1042444241. The reversal of 1042444223 is 3224442401.

It is a happy number.

It is not a de Polignac number, because 1042444223 - 2² = 1042444219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042444192 and 1042444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042444243) 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, 143933 + ... + 151001.

It is an arithmetic number, because the mean of its divisors is an integer number (69229440).

Almost surely, 2^1042444223 is an apocalyptic number.

1042444223 is a deficient number, since it is larger than the sum of its proper divisors (65226817).

1042444223 is an equidigital number, since it uses as much as digits as its factorization.

1042444223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1042444223 is about 32286.9048222340. The cubic root of 1042444223 is about 1013.9524967794.

Adding to 1042444223 its reverse (3224442401), we get a palindrome (4266886624).

The spelling of 1042444223 in words is "one billion, forty-two million, four hundred forty-four thousand, two hundred twenty-three".