1228339351 has 2 divisors, whose sum is σ = 1228339352. Its totient is φ = 1228339350.

The previous prime is 1228339337. The next prime is 1228339361. The reversal of 1228339351 is 1539338221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1228339351 - 2¹⁹ = 1227815063 is a prime.

It is a super-2 number, since 2×1228339351² = 3017635122430202402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1228339351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228339361) 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 as a sum of consecutive naturals, namely, 614169675 + 614169676.

It is an arithmetic number, because the mean of its divisors is an integer number (614169676).

Almost surely, 2^1228339351 is an apocalyptic number.

1228339351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228339351 is an equidigital number, since it uses as much as digits as its factorization.

1228339351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 1228339351 is about 35047.6725475459. The cubic root of 1228339351 is about 1070.9588606865.

The spelling of 1228339351 in words is "one billion, two hundred twenty-eight million, three hundred thirty-nine thousand, three hundred fifty-one".