40224233 has 4 divisors (see below), whose sum is σ = 45970560. Its totient is φ = 34477908.

The previous prime is 40224229. The next prime is 40224257. The reversal of 40224233 is 33242204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40224233 - 2² = 40224229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40224203) 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, 2873153 + ... + 2873166.

It is an arithmetic number, because the mean of its divisors is an integer number (11492640).

Almost surely, 2^40224233 is an apocalyptic number.

It is an amenable number.

40224233 is a deficient number, since it is larger than the sum of its proper divisors (5746327).

40224233 is an equidigital number, since it uses as much as digits as its factorization.

40224233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746326.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 40224233 is about 6342.2577210328. The cubic root of 40224233 is about 342.6330539576.

Adding to 40224233 its reverse (33242204), we get a palindrome (73466437).

The spelling of 40224233 in words is "forty million, two hundred twenty-four thousand, two hundred thirty-three".