2227844502381 has 4 divisors (see below), whose sum is σ = 2970459336512. Its totient is φ = 1485229668252.

The previous prime is 2227844502379. The next prime is 2227844502413. The reversal of 2227844502381 is 1832054487222.

2227844502381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2227844502381 - 2¹ = 2227844502379 is a prime.

It is a super-2 number, since 2×2227844502381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2227844502381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227844502881) 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, 371307417061 + ... + 371307417066.

It is an arithmetic number, because the mean of its divisors is an integer number (742614834128).

Almost surely, 2^{2227844502381} is an apocalyptic number.

It is an amenable number.

2227844502381 is a deficient number, since it is larger than the sum of its proper divisors (742614834131).

2227844502381 is an equidigital number, since it uses as much as digits as its factorization.

2227844502381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742614834130.

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 2227844502381 in words is "two trillion, two hundred twenty-seven billion, eight hundred forty-four million, five hundred two thousand, three hundred eighty-one".