40028223 has 8 divisors (see below), whose sum is σ = 55092736. Its totient is φ = 25824600.

The previous prime is 40028213. The next prime is 40028291. The reversal of 40028223 is 32282004.

40028223 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 40028223 - 2¹⁶ = 39962687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40028223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40028213) 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 7 ways as a sum of consecutive naturals, for example, 215113 + ... + 215298.

It is an arithmetic number, because the mean of its divisors is an integer number (6886592).

Almost surely, 2^40028223 is an apocalyptic number.

40028223 is a deficient number, since it is larger than the sum of its proper divisors (15064513).

40028223 is a wasteful number, since it uses less digits than its factorization.

40028223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430445.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40028223 is about 6326.7861509616. The cubic root of 40028223 is about 342.0756048438.

The spelling of 40028223 in words is "forty million, twenty-eight thousand, two hundred twenty-three".