9446223355421 has 8 divisors (see below), whose sum is σ = 9451580450400. Its totient is φ = 9440866854160.

The previous prime is 9446223355397. The next prime is 9446223355433. The reversal of 9446223355421 is 1245533226449.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9446223355421 is a prime.

It is a super-2 number, since 2×9446223355421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9446223355421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9446223355451) 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, 33878186 + ... + 34155876.

It is an arithmetic number, because the mean of its divisors is an integer number (1181447556300).

Almost surely, 2^{9446223355421} is an apocalyptic number.

It is an amenable number.

9446223355421 is a deficient number, since it is larger than the sum of its proper divisors (5357094979).

9446223355421 is a wasteful number, since it uses less digits than its factorization.

9446223355421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296859.

The product of its digits is 6220800, while the sum is 50.

The spelling of 9446223355421 in words is "nine trillion, four hundred forty-six billion, two hundred twenty-three million, three hundred fifty-five thousand, four hundred twenty-one".