40221223 has 8 divisors (see below), whose sum is σ = 46834848. Its totient is φ = 33824544.

The previous prime is 40221221. The next prime is 40221253. The reversal of 40221223 is 32212204.

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 40221223 - 2¹ = 40221221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40221197 and 40221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221221) 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, 53836 + ... + 54577.

It is an arithmetic number, because the mean of its divisors is an integer number (5854356).

Almost surely, 2^40221223 is an apocalyptic number.

40221223 is a deficient number, since it is larger than the sum of its proper divisors (6613625).

40221223 is a wasteful number, since it uses less digits than its factorization.

40221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108473.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40221223 is about 6342.0204193932. The cubic root of 40221223 is about 342.6245072753.

Adding to 40221223 its reverse (32212204), we get a palindrome (72433427).

The spelling of 40221223 in words is "forty million, two hundred twenty-one thousand, two hundred twenty-three".