40222240000221 has 4 divisors (see below), whose sum is σ = 53629653333632. Its totient is φ = 26814826666812.

The previous prime is 40222240000211. The next prime is 40222240000259. The reversal of 40222240000221 is 12200004222204.

40222240000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40222240000221 - 2¹⁰ = 40222239999197 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 (40222240000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6703706666701 + ... + 6703706666706.

It is an arithmetic number, because the mean of its divisors is an integer number (13407413333408).

Almost surely, 2^{40222240000221} is an apocalyptic number.

It is an amenable number.

40222240000221 is a deficient number, since it is larger than the sum of its proper divisors (13407413333411).

40222240000221 is a wasteful number, since it uses less digits than its factorization.

40222240000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407413333410.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 40222240000221 its reverse (12200004222204), we get a palindrome (52422244222425).

The spelling of 40222240000221 in words is "forty trillion, two hundred twenty-two billion, two hundred forty million, two hundred twenty-one", and thus it is an aban number.