40224223 has 8 divisors (see below), whose sum is σ = 43370208. Its totient is φ = 37085664.

The previous prime is 40224211. The next prime is 40224229. The reversal of 40224223 is 32242204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40224223 - 2¹³ = 40216031 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 40224223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15390 + ... + 17812.

It is an arithmetic number, because the mean of its divisors is an integer number (5421276).

Almost surely, 2^40224223 is an apocalyptic number.

40224223 is a deficient number, since it is larger than the sum of its proper divisors (3145985).

40224223 is a wasteful number, since it uses less digits than its factorization.

40224223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40224223 is about 6342.2569326699. The cubic root of 40224223 is about 342.6330255640.

Adding to 40224223 its reverse (32242204), we get a palindrome (72466427).

The spelling of 40224223 in words is "forty million, two hundred twenty-four thousand, two hundred twenty-three".