1222353210 has 128 divisors (see below), whose sum is σ = 3361284864. Its totient is φ = 281825280.

The previous prime is 1222353199. The next prime is 1222353211. The reversal of 1222353210 is 123532221.

It is not an unprimeable number, because it can be changed into a prime (1222353211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2194252 + ... + 2194808.

It is an arithmetic number, because the mean of its divisors is an integer number (26260038).

Almost surely, 2^1222353210 is an apocalyptic number.

1222353210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222353210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680642432).

1222353210 is an abundant number, since it is smaller than the sum of its proper divisors (2138931654).

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

1222353210 is a wasteful number, since it uses less digits than its factorization.

1222353210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1222353210 is about 34962.1682680008. The cubic root of 1222353210 is about 1069.2163038882.

Adding to 1222353210 its reverse (123532221), we get a palindrome (1345885431).

The spelling of 1222353210 in words is "one billion, two hundred twenty-two million, three hundred fifty-three thousand, two hundred ten".