40222205 has 8 divisors (see below), whose sum is σ = 48301272. Its totient is φ = 32154688.

The previous prime is 40222201. The next prime is 40222207. The reversal of 40222205 is 50222204.

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 33477796 = 2597^2 + 5786^2 .

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 40222205 - 2² = 40222201 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 (40222201) 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, 10079 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (6037659).

Almost surely, 2^40222205 is an apocalyptic number.

It is an amenable number.

40222205 is a deficient number, since it is larger than the sum of its proper divisors (8079067).

40222205 is a wasteful number, since it uses less digits than its factorization.

40222205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40222205 is about 6342.0978390435. The cubic root of 40222205 is about 342.6272956418.

Adding to 40222205 its reverse (50222204), we get a palindrome (90444409).

Subtracting 40222205 from its reverse (50222204), we obtain a palindrome (9999999).

The spelling of 40222205 in words is "forty million, two hundred twenty-two thousand, two hundred five".