2223777 has 8 divisors (see below), whose sum is σ = 2985280. Its totient is φ = 1472400.

The previous prime is 2223773. The next prime is 2223829. The reversal of 2223777 is 7773222.

2223777 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 not a de Polignac number, because 2223777 - 2² = 2223773 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2223773) 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, 2002 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (373160).

2^2223777 is an apocalyptic number.

It is an amenable number.

2223777 is a deficient number, since it is larger than the sum of its proper divisors (761503).

2223777 is a wasteful number, since it uses less digits than its factorization.

2223777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063.

The product of its digits is 8232, while the sum is 30.

The square root of 2223777 is about 1491.2333821371. The cubic root of 2223777 is about 130.5260146901.

Adding to 2223777 its reverse (7773222), we get a palindrome (9996999).

It can be divided in two parts, 2223 and 777, that multiplied together give a palindrome (1727271).

The spelling of 2223777 in words is "two million, two hundred twenty-three thousand, seven hundred seventy-seven".