40222240323221 has 8 divisors (see below), whose sum is σ = 45391869957600. Its totient is φ = 35304787744240.

The previous prime is 40222240323197. The next prime is 40222240323253. The reversal of 40222240323221 is 12232304222204.

It is a happy number.

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 40222240323221 - 2⁴² = 35824193812117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222240373221) 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, 63044263511 + ... + 63044264148.

It is an arithmetic number, because the mean of its divisors is an integer number (5673983744700).

Almost surely, 2^{40222240323221} is an apocalyptic number.

It is an amenable number.

40222240323221 is a deficient number, since it is larger than the sum of its proper divisors (5169629634379).

40222240323221 is a wasteful number, since it uses less digits than its factorization.

40222240323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126088527699.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40222240323221 its reverse (12232304222204), we get a palindrome (52454544545425).

The spelling of 40222240323221 in words is "forty trillion, two hundred twenty-two billion, two hundred forty million, three hundred twenty-three thousand, two hundred twenty-one".