2299965 has 16 divisors (see below), whose sum is σ = 3716928. Its totient is φ = 1214336.

The previous prime is 2299963. The next prime is 2300003. The reversal of 2299965 is 5699922.

It is a cyclic number.

It is not a de Polignac number, because 2299965 - 2¹ = 2299963 is a prime.

It is a super-3 number, since 3×2299965³ = 36499333675357371375, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (232308).

2^2299965 is an apocalyptic number.

It is an amenable number.

2299965 is a deficient number, since it is larger than the sum of its proper divisors (1416963).

2299965 is a wasteful number, since it uses less digits than its factorization.

2299965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its digits is 87480, while the sum is 42.

The square root of 2299965 is about 1516.5635496081. The cubic root of 2299965 is about 131.9999426079. Note that the first 4 decimals are identical.

The spelling of 2299965 in words is "two million, two hundred ninety-nine thousand, nine hundred sixty-five".