1224213343 has 8 divisors (see below), whose sum is σ = 1264616960. Its totient is φ = 1183866840.

The previous prime is 1224213329. The next prime is 1224213409. The reversal of 1224213343 is 3433124221.

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 1224213343 - 2¹⁷ = 1224082271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224213943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31696 + ... + 58762.

It is an arithmetic number, because the mean of its divisors is an integer number (158077120).

Almost surely, 2^1224213343 is an apocalyptic number.

1224213343 is a deficient number, since it is larger than the sum of its proper divisors (40403617).

1224213343 is a wasteful number, since it uses less digits than its factorization.

1224213343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28557.

The product of its digits is 3456, while the sum is 25.

The square root of 1224213343 is about 34988.7602381108. The cubic root of 1224213343 is about 1069.7583939311.

Adding to 1224213343 its reverse (3433124221), we get a palindrome (4657337564).

The spelling of 1224213343 in words is "one billion, two hundred twenty-four million, two hundred thirteen thousand, three hundred forty-three".