40222605 has 8 divisors (see below), whose sum is σ = 64356192. Its totient is φ = 21452048.

The previous prime is 40222603. The next prime is 40222619. The reversal of 40222605 is 50622204.

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 40222605 - 2¹ = 40222603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222603) 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, 1340739 + ... + 1340768.

It is an arithmetic number, because the mean of its divisors is an integer number (8044524).

Almost surely, 2^40222605 is an apocalyptic number.

It is an amenable number.

40222605 is a deficient number, since it is larger than the sum of its proper divisors (24133587).

40222605 is a wasteful number, since it uses less digits than its factorization.

40222605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681515.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40222605 is about 6342.1293742717. The cubic root of 40222605 is about 342.6284314196.

Adding to 40222605 its reverse (50622204), we get a palindrome (90844809).

The spelling of 40222605 in words is "forty million, two hundred twenty-two thousand, six hundred five".