2223929 has 4 divisors (see below), whose sum is σ = 2252160. Its totient is φ = 2195700.

The previous prime is 2223911. The next prime is 2223937. The reversal of 2223929 is 9293222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2223929 - 2⁸ = 2223673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13997 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (563040).

2^2223929 is an apocalyptic number.

It is an amenable number.

2223929 is a deficient number, since it is larger than the sum of its proper divisors (28231).

2223929 is an equidigital number, since it uses as much as digits as its factorization.

2223929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28230.

The product of its digits is 3888, while the sum is 29.

The square root of 2223929 is about 1491.2843457906. The cubic root of 2223929 is about 130.5289885348.

The spelling of 2223929 in words is "two million, two hundred twenty-three thousand, nine hundred twenty-nine".