22209209242 has 8 divisors (see below), whose sum is σ = 36342342432. Its totient is φ = 10095095100.

The previous prime is 22209209237. The next prime is 22209209251. The reversal of 22209209242 is 24290290222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22209209198 and 22209209207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504754734 + ... + 504754777.

It is an arithmetic number, because the mean of its divisors is an integer number (4542792804).

Almost surely, 2^22209209242 is an apocalyptic number.

22209209242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22209209242 is a deficient number, since it is larger than the sum of its proper divisors (14133133190).

22209209242 is a wasteful number, since it uses less digits than its factorization.

22209209242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009509524.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 22209209242 its reverse (24290290222), we get a palindrome (46499499464).

The spelling of 22209209242 in words is "twenty-two billion, two hundred nine million, two hundred nine thousand, two hundred forty-two".