22403120204042 has 4 divisors (see below), whose sum is σ = 33604680306066. Its totient is φ = 11201560102020.

The previous prime is 22403120204041. The next prime is 22403120204051. The reversal of 22403120204042 is 24040202130422.

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., 20959448266201 + 1443671937841 = 4578149^2 + 1201529^2 .

It is not an unprimeable number, because it can be changed into a prime (22403120204041) by changing a digit.

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 as a sum of consecutive naturals, namely, 5600780051009 + ... + 5600780051012.

Almost surely, 2^{22403120204042} is an apocalyptic number.

22403120204042 is a deficient number, since it is larger than the sum of its proper divisors (11201560102024).

22403120204042 is a wasteful number, since it uses less digits than its factorization.

22403120204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201560102023.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22403120204042 its reverse (24040202130422), we get a palindrome (46443322334464).

The spelling of 22403120204042 in words is "twenty-two trillion, four hundred three billion, one hundred twenty million, two hundred four thousand, forty-two".