1222334340 has 288 divisors, whose sum is σ = 3963738240. Its totient is φ = 279982080.

The previous prime is 1222334339. The next prime is 1222334341. The reversal of 1222334340 is 434332221.

It is an interprime number because it is at equal distance from previous prime (1222334339) and next prime (1222334341).

It is a self number, because there is not a number n which added to its sum of digits gives 1222334340.

It is not an unprimeable number, because it can be changed into a prime (1222334341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28426359 + ... + 28426401.

It is an arithmetic number, because the mean of its divisors is an integer number (13762980).

Almost surely, 2^1222334340 is an apocalyptic number.

1222334340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222334340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981869120).

1222334340 is an abundant number, since it is smaller than the sum of its proper divisors (2741403900).

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

1222334340 is a wasteful number, since it uses less digits than its factorization.

1222334340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1222334340 is about 34961.8984038339. The cubic root of 1222334340 is about 1069.2108018736.

Adding to 1222334340 its reverse (434332221), we get a palindrome (1656666561).

The spelling of 1222334340 in words is "one billion, two hundred twenty-two million, three hundred thirty-four thousand, three hundred forty".