1442225234 has 4 divisors (see below), whose sum is σ = 2163337854. Its totient is φ = 721112616.

The previous prime is 1442225233. The next prime is 1442225251. The reversal of 1442225234 is 4325222441.

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

It can be written as a sum of positive squares in only one way, i.e., 1442100625 + 124609 = 37975^2 + 353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1442225197 and 1442225206.

It is not an unprimeable number, because it can be changed into a prime (1442225231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360556307 + ... + 360556310.

Almost surely, 2^1442225234 is an apocalyptic number.

1442225234 is a deficient number, since it is larger than the sum of its proper divisors (721112620).

1442225234 is an equidigital number, since it uses as much as digits as its factorization.

1442225234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721112619.

The product of its digits is 15360, while the sum is 29.

The square root of 1442225234 is about 37976.6406360542. The cubic root of 1442225234 is about 1129.8246090068.

Adding to 1442225234 its reverse (4325222441), we get a palindrome (5767447675).

The spelling of 1442225234 in words is "one billion, four hundred forty-two million, two hundred twenty-five thousand, two hundred thirty-four".