1343222120 has 16 divisors (see below), whose sum is σ = 3022249860. Its totient is φ = 537288832.

The previous prime is 1343222099. The next prime is 1343222189. The reversal of 1343222120 is 212223431.

It can be written as a sum of positive squares in 2 ways, for example, as 1325396836 + 17825284 = 36406^2 + 4222^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1343222092 and 1343222101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16790237 + ... + 16790316.

Almost surely, 2^1343222120 is an apocalyptic number.

1343222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343222120 is an abundant number, since it is smaller than the sum of its proper divisors (1679027740).

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

1343222120 is a wasteful number, since it uses less digits than its factorization.

1343222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33580564 (or 33580560 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1343222120 is about 36649.9948158250. The cubic root of 1343222120 is about 1103.3567215332.

Adding to 1343222120 its reverse (212223431), we get a palindrome (1555445551).

The spelling of 1343222120 in words is "one billion, three hundred forty-three million, two hundred twenty-two thousand, one hundred twenty".