22302320142 has 16 divisors (see below), whose sum is σ = 46043500032. Its totient is φ = 7194296760.

The previous prime is 22302320141. The next prime is 22302320171. The reversal of 22302320142 is 24102320322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302320141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59952288 + ... + 59952659.

It is an arithmetic number, because the mean of its divisors is an integer number (2877718752).

Almost surely, 2^22302320142 is an apocalyptic number.

22302320142 is an abundant number, since it is smaller than the sum of its proper divisors (23741179890).

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

22302320142 is a wasteful number, since it uses less digits than its factorization.

22302320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119904983.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22302320142 its reverse (24102320322), we get a palindrome (46404640464).

The spelling of 22302320142 in words is "twenty-two billion, three hundred two million, three hundred twenty thousand, one hundred forty-two".