22423030042 has 24 divisors (see below), whose sum is σ = 39189418164. Its totient is φ = 9594268992.

The previous prime is 22423030037. The next prime is 22423030061. The reversal of 22423030042 is 24003032422.

It can be written as a sum of positive squares in 2 ways, for example, as 15252497001 + 7170533041 = 123501^2 + 84679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22423029995 and 22423030022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124953 + ... + 245884.

Almost surely, 2^22423030042 is an apocalyptic number.

22423030042 is a deficient number, since it is larger than the sum of its proper divisors (16766388122).

22423030042 is a wasteful number, since it uses less digits than its factorization.

22423030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371470 (or 371463 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22423030042 its reverse (24003032422), we get a palindrome (46426062464).

The spelling of 22423030042 in words is "twenty-two billion, four hundred twenty-three million, thirty thousand, forty-two".