22820346142 has 12 divisors (see below), whose sum is σ = 37625281848. Its totient is φ = 10372884500.

The previous prime is 22820346137. The next prime is 22820346161. The reversal of 22820346142 is 24164302822.

It is a junction number, because it is equal to n+sod(n) for n = 22820346098 and 22820346107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47149234 + ... + 47149717.

It is an arithmetic number, because the mean of its divisors is an integer number (3135440154).

Almost surely, 2^22820346142 is an apocalyptic number.

22820346142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22820346142 is a deficient number, since it is larger than the sum of its proper divisors (14804935706).

22820346142 is a wasteful number, since it uses less digits than its factorization.

22820346142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94298975 (or 94298964 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 22820346142 its reverse (24164302822), we get a palindrome (46984648964).

The spelling of 22820346142 in words is "twenty-two billion, eight hundred twenty million, three hundred forty-six thousand, one hundred forty-two".