10221222210 has 16 divisors (see below), whose sum is σ = 24530933376. Its totient is φ = 2725659248.

The previous prime is 10221222199. The next prime is 10221222227. The reversal of 10221222210 is 1222212201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10221222210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170353674 + ... + 170353733.

It is an arithmetic number, because the mean of its divisors is an integer number (1533183336).

Almost surely, 2^10221222210 is an apocalyptic number.

10221222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221222210 is an abundant number, since it is smaller than the sum of its proper divisors (14309711166).

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

10221222210 is a wasteful number, since it uses less digits than its factorization.

10221222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340707417.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10221222210 its reverse (1222212201), we get a palindrome (11443434411).

The spelling of 10221222210 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred ten".