10221345222 has 64 divisors (see below), whose sum is σ = 24495575040. Its totient is φ = 2806768800.

The previous prime is 10221345209. The next prime is 10221345227. The reversal of 10221345222 is 22254312201.

10221345222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10221345192 and 10221345201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221345227) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 148354 + ... + 206037.

It is an arithmetic number, because the mean of its divisors is an integer number (382743360).

Almost surely, 2^10221345222 is an apocalyptic number.

10221345222 is an abundant number, since it is smaller than the sum of its proper divisors (14274229818).

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

10221345222 is a wasteful number, since it uses less digits than its factorization.

10221345222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354449.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 10221345222 its reverse (22254312201), we get a palindrome (32475657423).

The spelling of 10221345222 in words is "ten billion, two hundred twenty-one million, three hundred forty-five thousand, two hundred twenty-two".