1344224155 has 8 divisors (see below), whose sum is σ = 1652412384. Its totient is φ = 1049150400.

The previous prime is 1344224137. The next prime is 1344224173. The reversal of 1344224155 is 5514224431.

It is an interprime number because it is at equal distance from previous prime (1344224137) and next prime (1344224173).

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

It is a de Polignac number, because none of the positive numbers 2^k-1344224155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 3278391 + ... + 3278800.

It is an arithmetic number, because the mean of its divisors is an integer number (206551548).

Almost surely, 2^1344224155 is an apocalyptic number.

1344224155 is a deficient number, since it is larger than the sum of its proper divisors (308188229).

1344224155 is an equidigital number, since it uses as much as digits as its factorization.

1344224155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557237.

The product of its digits is 19200, while the sum is 31.

The square root of 1344224155 is about 36663.6625966365. The cubic root of 1344224155 is about 1103.6310189920.

Adding to 1344224155 its reverse (5514224431), we get a palindrome (6858448586).

The spelling of 1344224155 in words is "one billion, three hundred forty-four million, two hundred twenty-four thousand, one hundred fifty-five".