2919223 has 4 divisors (see below), whose sum is σ = 3090960. Its totient is φ = 2747488.

The previous prime is 2919221. The next prime is 2919251. The reversal of 2919223 is 3229192.

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 2919223 - 2¹ = 2919221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2919191 and 2919200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919221) 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, 85843 + ... + 85876.

It is an arithmetic number, because the mean of its divisors is an integer number (772740).

2^2919223 is an apocalyptic number.

2919223 is a deficient number, since it is larger than the sum of its proper divisors (171737).

2919223 is a wasteful number, since it uses less digits than its factorization.

2919223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171736.

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

The square root of 2919223 is about 1708.5733815087. The cubic root of 2919223 is about 142.9187110331.

The spelling of 2919223 in words is "two million, nine hundred nineteen thousand, two hundred twenty-three".