380885246221 has 4 divisors (see below), whose sum is σ = 380892489372. Its totient is φ = 380878003072.

The previous prime is 380885246197. The next prime is 380885246227. The reversal of 380885246221 is 122642588083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122642588083 = 19 ⋅6454873057.

It can be written as a sum of positive squares in 2 ways, for example, as 338578515625 + 42306730596 = 581875^2 + 205686^2 .

It is a cyclic number.

It is not a de Polignac number, because 380885246221 - 2⁹ = 380885245709 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 (380885246227) 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, 3542116 + ... + 3648061.

It is an arithmetic number, because the mean of its divisors is an integer number (95223122343).

Almost surely, 2^380885246221 is an apocalyptic number.

It is an amenable number.

380885246221 is a deficient number, since it is larger than the sum of its proper divisors (7243151).

380885246221 is an equidigital number, since it uses as much as digits as its factorization.

380885246221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243150.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 380885246221 in words is "three hundred eighty billion, eight hundred eighty-five million, two hundred forty-six thousand, two hundred twenty-one".