1601226299 has 2 divisors, whose sum is σ = 1601226300. Its totient is φ = 1601226298.

The previous prime is 1601226247. The next prime is 1601226337. The reversal of 1601226299 is 9926221061.

It is an a-pointer prime, because the next prime (1601226337) can be obtained adding 1601226299 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1601226299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601226199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800613149 + 800613150.

It is an arithmetic number, because the mean of its divisors is an integer number (800613150).

Almost surely, 2^1601226299 is an apocalyptic number.

1601226299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601226299 is an equidigital number, since it uses as much as digits as its factorization.

1601226299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1601226299 is about 40015.3258014976. The cubic root of 1601226299 is about 1169.9058289803.

The spelling of 1601226299 in words is "one billion, six hundred one million, two hundred twenty-six thousand, two hundred ninety-nine".