40221133 has 8 divisors (see below), whose sum is σ = 42656760. Its totient is φ = 37793280.

The previous prime is 40221131. The next prime is 40221161. The reversal of 40221133 is 33112204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 169 + 40220964 = 13^2 + 6342^2 .

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 40221133 - 2¹ = 40221131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221131) 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, 11383 + ... + 14491.

It is an arithmetic number, because the mean of its divisors is an integer number (5332095).

Almost surely, 2^40221133 is an apocalyptic number.

It is an amenable number.

40221133 is a deficient number, since it is larger than the sum of its proper divisors (2435627).

40221133 is a wasteful number, since it uses less digits than its factorization.

40221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40221133 is about 6342.0133238586. The cubic root of 40221133 is about 342.6242517201.

Adding to 40221133 its reverse (33112204), we get a palindrome (73333337).

The spelling of 40221133 in words is "forty million, two hundred twenty-one thousand, one hundred thirty-three".