2241554620321 has 4 divisors (see below), whose sum is σ = 2241576176944. Its totient is φ = 2241533063700.

The previous prime is 2241554620313. The next prime is 2241554620379. The reversal of 2241554620321 is 1230264551422.

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 a cyclic number.

It is not a de Polignac number, because 2241554620321 - 2³ = 2241554620313 is a prime.

It is a super-2 number, since 2×2241554620321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2241554624321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10621575 + ... + 10830556.

It is an arithmetic number, because the mean of its divisors is an integer number (560394044236).

Almost surely, 2^{2241554620321} is an apocalyptic number.

It is an amenable number.

2241554620321 is a deficient number, since it is larger than the sum of its proper divisors (21556623).

2241554620321 is a wasteful number, since it uses less digits than its factorization.

2241554620321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21556622.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 2241554620321 in words is "two trillion, two hundred forty-one billion, five hundred fifty-four million, six hundred twenty thousand, three hundred twenty-one".