1344400229 has 2 divisors, whose sum is σ = 1344400230. Its totient is φ = 1344400228.

The previous prime is 1344400139. The next prime is 1344400237. The reversal of 1344400229 is 9220044431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 772951204 + 571449025 = 27802^2 + 23905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344400229 - 2¹² = 1344396133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344400249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672200114 + 672200115.

It is an arithmetic number, because the mean of its divisors is an integer number (672200115).

Almost surely, 2^1344400229 is an apocalyptic number.

It is an amenable number.

1344400229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344400229 is an equidigital number, since it uses as much as digits as its factorization.

1344400229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1344400229 is about 36666.0637238305. The cubic root of 1344400229 is about 1103.6792034766.

The spelling of 1344400229 in words is "one billion, three hundred forty-four million, four hundred thousand, two hundred twenty-nine".