1222222222332 has 192 divisors, whose sum is σ = 3280584384000. Its totient is φ = 393214155264.

The previous prime is 1222222222313. The next prime is 1222222222477. The reversal of 1222222222332 is 2332222222221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1222222222296 and 1222222222305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 326882919 + ... + 326886657.

It is an arithmetic number, because the mean of its divisors is an integer number (17086377000).

Almost surely, 2^{1222222222332} is an apocalyptic number.

1222222222332 is a gapful number since it is divisible by the number (12) 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 1222222222332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640292192000).

1222222222332 is an abundant number, since it is smaller than the sum of its proper divisors (2058362161668).

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

1222222222332 is a wasteful number, since it uses less digits than its factorization.

1222222222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4417 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 1222222222332 its reverse (2332222222221), we get a palindrome (3554444444553).

The spelling of 1222222222332 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred thirty-two".