22234420342 has 4 divisors (see below), whose sum is σ = 33351630516. Its totient is φ = 11117210170.

The previous prime is 22234420339. The next prime is 22234420363. The reversal of 22234420342 is 24302443222.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22234420342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558605084 + ... + 5558605087.

It is an arithmetic number, because the mean of its divisors is an integer number (8337907629).

Almost surely, 2^22234420342 is an apocalyptic number.

22234420342 is a deficient number, since it is larger than the sum of its proper divisors (11117210174).

22234420342 is a wasteful number, since it uses less digits than its factorization.

22234420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11117210173.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22234420342 its reverse (24302443222), we get a palindrome (46536863564).

The spelling of 22234420342 in words is "twenty-two billion, two hundred thirty-four million, four hundred twenty thousand, three hundred forty-two".