22203343042 has 4 divisors (see below), whose sum is σ = 33305014566. Its totient is φ = 11101671520.

The previous prime is 22203343039. The next prime is 22203343093. The reversal of 22203343042 is 24034330222.

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., 21809677761 + 393665281 = 147681^2 + 19841^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22203342998 and 22203343016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550835759 + ... + 5550835762.

Almost surely, 2^22203343042 is an apocalyptic number.

22203343042 is a deficient number, since it is larger than the sum of its proper divisors (11101671524).

22203343042 is a wasteful number, since it uses less digits than its factorization.

22203343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101671523.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22203343042 its reverse (24034330222), we get a palindrome (46237673264).

The spelling of 22203343042 in words is "twenty-two billion, two hundred three million, three hundred forty-three thousand, forty-two".