1424244442 has 4 divisors (see below), whose sum is σ = 2136366666. Its totient is φ = 712122220.

The previous prime is 1424244397. The next prime is 1424244449. The reversal of 1424244442 is 2444424241.

It is a happy number.

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., 1424232121 + 12321 = 37739^2 + 111^2 .

It is not an unprimeable number, because it can be changed into a prime (1424244449) 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, 356061109 + ... + 356061112.

Almost surely, 2^1424244442 is an apocalyptic number.

1424244442 is a deficient number, since it is larger than the sum of its proper divisors (712122224).

1424244442 is an equidigital number, since it uses as much as digits as its factorization.

1424244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712122223.

The product of its digits is 32768, while the sum is 31.

The square root of 1424244442 is about 37739.1632392664. The cubic root of 1424244442 is about 1125.1096365908.

Adding to 1424244442 its reverse (2444424241), we get a palindrome (3868668683).

The spelling of 1424244442 in words is "one billion, four hundred twenty-four million, two hundred forty-four thousand, four hundred forty-two".