2299872 has 24 divisors (see below), whose sum is σ = 6037416. Its totient is φ = 766592.

The previous prime is 2299867. The next prime is 2299873. The reversal of 2299872 is 2789922.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2299872² = 10578822432768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2299872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299873) 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, 11883 + ... + 12074.

It is an arithmetic number, because the mean of its divisors is an integer number (251559).

2^2299872 is an apocalyptic number.

It is an amenable number.

2299872 is an abundant number, since it is smaller than the sum of its proper divisors (3737544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2299872 is a wasteful number, since it uses less digits than its factorization.

2299872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23970 (or 23962 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 2299872 is about 1516.5328878729. The cubic root of 2299872 is about 131.9981634272.

It can be divided in two parts, 229 and 9872, that added together give a palindrome (10101).

The spelling of 2299872 in words is "two million, two hundred ninety-nine thousand, eight hundred seventy-two".