1222213410 has 96 divisors (see below), whose sum is σ = 3586265280. Its totient is φ = 286070400.

The previous prime is 1222213387. The next prime is 1222213411. The reversal of 1222213410 is 143122221.

It is a happy number.

1222213410 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (1222213411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7425 + ... + 49995.

It is an arithmetic number, because the mean of its divisors is an integer number (37356930).

Almost surely, 2^1222213410 is an apocalyptic number.

1222213410 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 1222213410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793132640).

1222213410 is an abundant number, since it is smaller than the sum of its proper divisors (2364051870).

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

1222213410 is a wasteful number, since it uses less digits than its factorization.

1222213410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42624 (or 42621 counting only the distinct ones).

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

The square root of 1222213410 is about 34960.1689069146. The cubic root of 1222213410 is about 1069.1755404010.

Adding to 1222213410 its reverse (143122221), we get a palindrome (1365335631).

The spelling of 1222213410 in words is "one billion, two hundred twenty-two million, two hundred thirteen thousand, four hundred ten".