1226210343 has 4 divisors (see below), whose sum is σ = 1634947128. Its totient is φ = 817473560.

The previous prime is 1226210309. The next prime is 1226210351. The reversal of 1226210343 is 3430126221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1226210343 - 2¹⁴ = 1226193959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226210443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204368388 + ... + 204368393.

It is an arithmetic number, because the mean of its divisors is an integer number (408736782).

Almost surely, 2^1226210343 is an apocalyptic number.

1226210343 is a deficient number, since it is larger than the sum of its proper divisors (408736785).

1226210343 is an equidigital number, since it uses as much as digits as its factorization.

1226210343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408736784.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1226210343 is about 35017.2863454609. The cubic root of 1226210343 is about 1070.3397596324.

Adding to 1226210343 its reverse (3430126221), we get a palindrome (4656336564).

The spelling of 1226210343 in words is "one billion, two hundred twenty-six million, two hundred ten thousand, three hundred forty-three".