280822212343 has 4 divisors (see below), whose sum is σ = 281725177968. Its totient is φ = 279919246720.

The previous prime is 280822212337. The next prime is 280822212353. The reversal of 280822212343 is 343212228082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 280822212343 - 2¹⁷ = 280822081271 is a prime.

It is a super-2 number, since 2×280822212343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280822212353) 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, 451482346 + ... + 451482967.

It is an arithmetic number, because the mean of its divisors is an integer number (70431294492).

Almost surely, 2^280822212343 is an apocalyptic number.

280822212343 is a deficient number, since it is larger than the sum of its proper divisors (902965625).

280822212343 is an equidigital number, since it uses as much as digits as its factorization.

280822212343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902965624.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 280822212343 in words is "two hundred eighty billion, eight hundred twenty-two million, two hundred twelve thousand, three hundred forty-three".