40997223 has 6 divisors (see below), whose sum is σ = 59218224. Its totient is φ = 27331476.

The previous prime is 40997197. The next prime is 40997239. The reversal of 40997223 is 32279904.

40997223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40997223 - 2¹⁰ = 40996199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40997263) 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 5 ways as a sum of consecutive naturals, for example, 2277615 + ... + 2277632.

It is an arithmetic number, because the mean of its divisors is an integer number (9869704).

Almost surely, 2^40997223 is an apocalyptic number.

40997223 is a deficient number, since it is larger than the sum of its proper divisors (18221001).

40997223 is a wasteful number, since it uses less digits than its factorization.

40997223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555253 (or 4555250 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40997223 is about 6402.9073864925. The cubic root of 40997223 is about 344.8139387411.

The spelling of 40997223 in words is "forty million, nine hundred ninety-seven thousand, two hundred twenty-three".