342880799221 has 4 divisors (see below), whose sum is σ = 342881970444. Its totient is φ = 342879628000.

The previous prime is 342880799213. The next prime is 342880799227. The reversal of 342880799221 is 122997088243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 175506534225 + 167374264996 = 418935^2 + 409114^2 .

It is a cyclic number.

It is not a de Polignac number, because 342880799221 - 2³ = 342880799213 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 (342880799227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281241 + ... + 874561.

It is an arithmetic number, because the mean of its divisors is an integer number (85720492611).

Almost surely, 2^342880799221 is an apocalyptic number.

It is an amenable number.

342880799221 is a deficient number, since it is larger than the sum of its proper divisors (1171223).

342880799221 is an equidigital number, since it uses as much as digits as its factorization.

342880799221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171222.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 342880799221 in words is "three hundred forty-two billion, eight hundred eighty million, seven hundred ninety-nine thousand, two hundred twenty-one".