2321299 has 4 divisors (see below), whose sum is σ = 2457864. Its totient is φ = 2184736.

The previous prime is 2321281. The next prime is 2321309. The reversal of 2321299 is 9921232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2321299 - 2⁷ = 2321171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68257 + ... + 68290.

It is an arithmetic number, because the mean of its divisors is an integer number (614466).

2^2321299 is an apocalyptic number.

2321299 is a deficient number, since it is larger than the sum of its proper divisors (136565).

2321299 is a wasteful number, since it uses less digits than its factorization.

2321299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136564.

The product of its digits is 1944, while the sum is 28.

The square root of 2321299 is about 1523.5809791409. The cubic root of 2321299 is about 132.4068218754.

The spelling of 2321299 in words is "two million, three hundred twenty-one thousand, two hundred ninety-nine".