37743224312221 has 8 divisors (see below), whose sum is σ = 37949075683200. Its totient is φ = 37537862482080.

The previous prime is 37743224312159. The next prime is 37743224312239. The reversal of 37743224312221 is 12221342234773.

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 37743224312221 - 2¹⁷ = 37743224181149 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 (37743224312621) 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, 122230591 + ... + 122538988.

It is an arithmetic number, because the mean of its divisors is an integer number (4743634460400).

Almost surely, 2^{37743224312221} is an apocalyptic number.

It is an amenable number.

37743224312221 is a deficient number, since it is larger than the sum of its proper divisors (205851370979).

37743224312221 is a wasteful number, since it uses less digits than its factorization.

37743224312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244770419.

The product of its digits is 677376, while the sum is 43.

Adding to 37743224312221 its reverse (12221342234773), we get a palindrome (49964566546994).

The spelling of 37743224312221 in words is "thirty-seven trillion, seven hundred forty-three billion, two hundred twenty-four million, three hundred twelve thousand, two hundred twenty-one".