1222040343 has 8 divisors (see below), whose sum is σ = 1629558000. Its totient is φ = 814608128.

The previous prime is 1222040333. The next prime is 1222040353. The reversal of 1222040343 is 3430402221.

It is an interprime number because it is at equal distance from previous prime (1222040333) and next prime (1222040353).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222040343 - 2¹³ = 1222032151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222040333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28933 + ... + 57281.

It is an arithmetic number, because the mean of its divisors is an integer number (203694750).

Almost surely, 2^1222040343 is an apocalyptic number.

1222040343 is a deficient number, since it is larger than the sum of its proper divisors (407517657).

1222040343 is a wasteful number, since it uses less digits than its factorization.

1222040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42721.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1222040343 is about 34957.6936167133. The cubic root of 1222040343 is about 1069.1250724723.

Adding to 1222040343 its reverse (3430402221), we get a palindrome (4652442564).

The spelling of 1222040343 in words is "one billion, two hundred twenty-two million, forty thousand, three hundred forty-three".