2224399 has 8 divisors (see below), whose sum is σ = 2458080. Its totient is φ = 2002176.

The previous prime is 2224379. The next prime is 2224429. The reversal of 2224399 is 9934222.

2224399 = 197² + 198² + ... + 242².

2224399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2224399 - 2⁵ = 2224367 is a prime.

It is a super-2 number, since 2×2224399² = 9895901822402, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2224399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (307260).

2^2224399 is an apocalyptic number.

2224399 is a deficient number, since it is larger than the sum of its proper divisors (233681).

2224399 is a wasteful number, since it uses less digits than its factorization.

2224399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729.

The product of its digits is 7776, while the sum is 31.

The square root of 2224399 is about 1491.4419197542. The cubic root of 2224399 is about 130.5381831184.

The spelling of 2224399 in words is "two million, two hundred twenty-four thousand, three hundred ninety-nine".