10421031222 has 48 divisors (see below), whose sum is σ = 26926398720. Its totient is φ = 2847982896.

The previous prime is 10421031191. The next prime is 10421031223. The reversal of 10421031222 is 22213012401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10421031195 and 10421031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421031223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1795072 + ... + 1800867.

It is an arithmetic number, because the mean of its divisors is an integer number (560966640).

Almost surely, 2^10421031222 is an apocalyptic number.

10421031222 is an abundant number, since it is smaller than the sum of its proper divisors (16505367498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421031222 is a wasteful number, since it uses less digits than its factorization.

10421031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595977 (or 3595974 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10421031222 its reverse (22213012401), we get a palindrome (32634043623).

The spelling of 10421031222 in words is "ten billion, four hundred twenty-one million, thirty-one thousand, two hundred twenty-two".