2940223 has 16 divisors (see below), whose sum is σ = 3578400. Its totient is φ = 2378880.

The previous prime is 2940187. The next prime is 2940229. The reversal of 2940223 is 3220492.

It is a cyclic number.

It is not a de Polignac number, because 2940223 - 2¹³ = 2932031 is a prime.

It is a super-2 number, since 2×2940223² = 17289822579458, which contains 22 as substring.

It is a Duffinian number.

2940223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2940194 and 2940203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793 + ... + 4501.

It is an arithmetic number, because the mean of its divisors is an integer number (223650).

2^2940223 is an apocalyptic number.

2940223 is a deficient number, since it is larger than the sum of its proper divisors (638177).

2940223 is a wasteful number, since it uses less digits than its factorization.

2940223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2940223 is about 1714.7078468357. The cubic root of 2940223 is about 143.2605970717.

The spelling of 2940223 in words is "two million, nine hundred forty thousand, two hundred twenty-three".