10420421222 has 8 divisors (see below), whose sum is σ = 16053081456. Its totient is φ = 5069394072.

The previous prime is 10420421191. The next prime is 10420421227. The reversal of 10420421222 is 22212402401.

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 = 10420421194 and 10420421203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420421227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70408178 + ... + 70408325.

It is an arithmetic number, because the mean of its divisors is an integer number (2006635182).

Almost surely, 2^10420421222 is an apocalyptic number.

10420421222 is a deficient number, since it is larger than the sum of its proper divisors (5632660234).

10420421222 is a wasteful number, since it uses less digits than its factorization.

10420421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140816542.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10420421222 its reverse (22212402401), we get a palindrome (32632823623).

The spelling of 10420421222 in words is "ten billion, four hundred twenty million, four hundred twenty-one thousand, two hundred twenty-two".