40220222202205 has 4 divisors (see below), whose sum is σ = 48264266642652. Its totient is φ = 32176177761760.

The previous prime is 40220222202131. The next prime is 40220222202227. The reversal of 40220222202205 is 50220222202204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24796207017241 + 15424015184964 = 4979579^2 + 3927342^2 .

It is not a de Polignac number, because 40220222202205 - 2¹⁹ = 40220221677917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40220222202205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022022220216 + ... + 4022022220225.

It is an arithmetic number, because the mean of its divisors is an integer number (12066066660663).

Almost surely, 2^{40220222202205} is an apocalyptic number.

It is an amenable number.

40220222202205 is a deficient number, since it is larger than the sum of its proper divisors (8044044440447).

40220222202205 is an equidigital number, since it uses as much as digits as its factorization.

40220222202205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044044440446.

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 40220222202205 its reverse (50220222202204), we get a palindrome (90440444404409).

Subtracting 40220222202205 from its reverse (50220222202204), we obtain a palindrome (9999999999999).

The spelling of 40220222202205 in words is "forty trillion, two hundred twenty billion, two hundred twenty-two million, two hundred two thousand, two hundred five".