1442213223 has 8 divisors (see below), whose sum is σ = 2097764736. Its totient is φ = 874068600.

The previous prime is 1442213209. The next prime is 1442213251. The reversal of 1442213223 is 3223122441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442213223 - 2⁶ = 1442213159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442213193 and 1442213202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442213023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21851683 + ... + 21851748.

It is an arithmetic number, because the mean of its divisors is an integer number (262220592).

Almost surely, 2^1442213223 is an apocalyptic number.

1442213223 is a deficient number, since it is larger than the sum of its proper divisors (655551513).

1442213223 is a wasteful number, since it uses less digits than its factorization.

1442213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43703445.

The product of its digits is 2304, while the sum is 24.

The square root of 1442213223 is about 37976.4824990414. The cubic root of 1442213223 is about 1129.8214725662.

Adding to 1442213223 its reverse (3223122441), we get a palindrome (4665335664).

The spelling of 1442213223 in words is "one billion, four hundred forty-two million, two hundred thirteen thousand, two hundred twenty-three".