2299963 has 2 divisors, whose sum is σ = 2299964. Its totient is φ = 2299962.

The previous prime is 2299951. The next prime is 2300003. The reversal of 2299963 is 3699922.

It is an a-pointer prime, because the next prime (2300003) can be obtained adding 2299963 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2299963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2299933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149981 + 1149982.

It is an arithmetic number, because the mean of its divisors is an integer number (1149982).

2^2299963 is an apocalyptic number.

2299963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299963 is an equidigital number, since it uses as much as digits as its factorization.

2299963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The square root of 2299963 is about 1516.5628902225. The cubic root of 2299963 is about 131.9999043464. Note that the first 4 decimals are identical.

The spelling of 2299963 in words is "two million, two hundred ninety-nine thousand, nine hundred sixty-three".