22124302042 has 4 divisors (see below), whose sum is σ = 33186453066. Its totient is φ = 11062151020.

The previous prime is 22124302037. The next prime is 22124302073. The reversal of 22124302042 is 24020342122.

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

It can be written as a sum of positive squares in only one way, i.e., 16941885921 + 5182416121 = 130161^2 + 71989^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531075509 + ... + 5531075512.

Almost surely, 2^22124302042 is an apocalyptic number.

22124302042 is a deficient number, since it is larger than the sum of its proper divisors (11062151024).

22124302042 is a wasteful number, since it uses less digits than its factorization.

22124302042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062151023.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22124302042 its reverse (24020342122), we get a palindrome (46144644164).

The spelling of 22124302042 in words is "twenty-two billion, one hundred twenty-four million, three hundred two thousand, forty-two".