22130323142 has 4 divisors (see below), whose sum is σ = 33195484716. Its totient is φ = 11065161570.

The previous prime is 22130323141. The next prime is 22130323153. The reversal of 22130323142 is 24132303122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130323141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5532580784 + ... + 5532580787.

It is an arithmetic number, because the mean of its divisors is an integer number (8298871179).

Almost surely, 2^22130323142 is an apocalyptic number.

22130323142 is a deficient number, since it is larger than the sum of its proper divisors (11065161574).

22130323142 is a wasteful number, since it uses less digits than its factorization.

22130323142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065161573.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22130323142 its reverse (24132303122), we get a palindrome (46262626264).

The spelling of 22130323142 in words is "twenty-two billion, one hundred thirty million, three hundred twenty-three thousand, one hundred forty-two".