40221233 has 8 divisors (see below), whose sum is σ = 45595200. Its totient is φ = 35173008.

The previous prime is 40221221. The next prime is 40221253. The reversal of 40221233 is 33212204.

40221233 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 40221233 - 2⁶ = 40221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40221253) 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, 81173 + ... + 81666.

It is an arithmetic number, because the mean of its divisors is an integer number (5699400).

Almost surely, 2^40221233 is an apocalyptic number.

It is an amenable number.

40221233 is a deficient number, since it is larger than the sum of its proper divisors (5373967).

40221233 is a wasteful number, since it uses less digits than its factorization.

40221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162871.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40221233 is about 6342.0212077854. The cubic root of 40221233 is about 342.6245356703.

Adding to 40221233 its reverse (33212204), we get a palindrome (73433437).

The spelling of 40221233 in words is "forty million, two hundred twenty-one thousand, two hundred thirty-three".