22231304142 has 16 divisors (see below), whose sum is σ = 44464225872. Its totient is φ = 7410165120.

The previous prime is 22231304113. The next prime is 22231304167. The reversal of 22231304142 is 24140313222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 182598 + ... + 278934.

It is an arithmetic number, because the mean of its divisors is an integer number (2779014117).

Almost surely, 2^22231304142 is an apocalyptic number.

22231304142 is an abundant number, since it is smaller than the sum of its proper divisors (22232921730).

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

22231304142 is a wasteful number, since it uses less digits than its factorization.

22231304142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134803.

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

Adding to 22231304142 its reverse (24140313222), we get a palindrome (46371617364).

The spelling of 22231304142 in words is "twenty-two billion, two hundred thirty-one million, three hundred four thousand, one hundred forty-two".