1422144542 has 32 divisors (see below), whose sum is σ = 2679096000. Its totient is φ = 562603104.

The previous prime is 1422144541. The next prime is 1422144557. The reversal of 1422144542 is 2454412241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422144541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70817 + ... + 88652.

It is an arithmetic number, because the mean of its divisors is an integer number (83721750).

Almost surely, 2^1422144542 is an apocalyptic number.

1422144542 is a deficient number, since it is larger than the sum of its proper divisors (1256951458).

1422144542 is a wasteful number, since it uses less digits than its factorization.

1422144542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159505 (or 159491 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 1422144542 is about 37711.3317452460. The cubic root of 1422144542 is about 1124.5564123097.

Adding to 1422144542 its reverse (2454412241), we get a palindrome (3876556783).

The spelling of 1422144542 in words is "one billion, four hundred twenty-two million, one hundred forty-four thousand, five hundred forty-two".