1422521742 has 16 divisors (see below), whose sum is σ = 2893265280. Its totient is φ = 466136952.

The previous prime is 1422521741. The next prime is 1422521759. The reversal of 1422521742 is 2471252241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422521741) 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 in 7 ways as a sum of consecutive naturals, for example, 2008858 + ... + 2009565.

It is an arithmetic number, because the mean of its divisors is an integer number (180829080).

Almost surely, 2^1422521742 is an apocalyptic number.

1422521742 is an abundant number, since it is smaller than the sum of its proper divisors (1470743538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422521742 is a wasteful number, since it uses less digits than its factorization.

1422521742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018487.

The product of its digits is 8960, while the sum is 30.

The square root of 1422521742 is about 37716.3325629627. The cubic root of 1422521742 is about 1124.6558267666.

Adding to 1422521742 its reverse (2471252241), we get a palindrome (3893773983).

The spelling of 1422521742 in words is "one billion, four hundred twenty-two million, five hundred twenty-one thousand, seven hundred forty-two".