1322342142 has 16 divisors (see below), whose sum is σ = 2885110272. Its totient is φ = 400709720.

The previous prime is 1322342137. The next prime is 1322342143. The reversal of 1322342142 is 2412432231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322342143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10017678 + ... + 10017809.

It is an arithmetic number, because the mean of its divisors is an integer number (180319392).

Almost surely, 2^1322342142 is an apocalyptic number.

1322342142 is an abundant number, since it is smaller than the sum of its proper divisors (1562768130).

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

1322342142 is a wasteful number, since it uses less digits than its factorization.

1322342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035503.

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

The square root of 1322342142 is about 36364.0226322666. The cubic root of 1322342142 is about 1097.6097249000.

Adding to 1322342142 its reverse (2412432231), we get a palindrome (3734774373).

The spelling of 1322342142 in words is "one billion, three hundred twenty-two million, three hundred forty-two thousand, one hundred forty-two".