40222301200021 has 4 divisors (see below), whose sum is σ = 41609277103500. Its totient is φ = 38835325296544.

The previous prime is 40222301200001. The next prime is 40222301200031. The reversal of 40222301200021 is 12000210322204.

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 28565443962225 + 11656857237796 = 5344665^2 + 3414214^2 .

It is a cyclic number.

It is not a de Polignac number, because 40222301200021 - 2⁵ = 40222301199989 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 (40222301200001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693487951696 + ... + 693487951753.

It is an arithmetic number, because the mean of its divisors is an integer number (10402319275875).

Almost surely, 2^{40222301200021} is an apocalyptic number.

It is an amenable number.

40222301200021 is a deficient number, since it is larger than the sum of its proper divisors (1386975903479).

40222301200021 is a wasteful number, since it uses less digits than its factorization.

40222301200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386975903478.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40222301200021 its reverse (12000210322204), we get a palindrome (52222511522225).

The spelling of 40222301200021 in words is "forty trillion, two hundred twenty-two billion, three hundred one million, two hundred thousand, twenty-one".