40422211222405 has 4 divisors (see below), whose sum is σ = 48506653466892. Its totient is φ = 32337768977920.

The previous prime is 40422211222391. The next prime is 40422211222423. The reversal of 40422211222405 is 50422211222404.

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 22464016702884 + 17958194519521 = 4739622^2 + 4237711^2 .

It is not a de Polignac number, because 40422211222405 - 2⁹ = 40422211221893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042221122236 + ... + 4042221122245.

It is an arithmetic number, because the mean of its divisors is an integer number (12126663366723).

Almost surely, 2^{40422211222405} is an apocalyptic number.

It is an amenable number.

40422211222405 is a deficient number, since it is larger than the sum of its proper divisors (8084442244487).

40422211222405 is an equidigital number, since it uses as much as digits as its factorization.

40422211222405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084442244486.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 40422211222405 its reverse (50422211222404), we get a palindrome (90844422444809).

Subtracting 40422211222405 from its reverse (50422211222404), we obtain a palindrome (9999999999999).

The spelling of 40422211222405 in words is "forty trillion, four hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, four hundred five".