1422332142 has 128 divisors (see below), whose sum is σ = 3740663808. Its totient is φ = 349747200.

The previous prime is 1422332123. The next prime is 1422332143. The reversal of 1422332142 is 2412332241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422332143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 672078 + ... + 674190.

It is an arithmetic number, because the mean of its divisors is an integer number (29223936).

Almost surely, 2^1422332142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422332142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870331904).

1422332142 is an abundant number, since it is smaller than the sum of its proper divisors (2318331666).

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

1422332142 is a wasteful number, since it uses less digits than its factorization.

1422332142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

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

The square root of 1422332142 is about 37713.8189792548. The cubic root of 1422332142 is about 1124.6058581761.

Adding to 1422332142 its reverse (2412332241), we get a palindrome (3834664383).

Subtracting 1422332142 from its reverse (2412332241), we obtain a palindrome (990000099).

The spelling of 1422332142 in words is "one billion, four hundred twenty-two million, three hundred thirty-two thousand, one hundred forty-two".