345881822 has 48 divisors (see below), whose sum is σ = 628099920. Its totient is φ = 141523200.

The previous prime is 345881819. The next prime is 345881831. The reversal of 345881822 is 228188543.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 345881822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151304 + ... + 153572.

It is an arithmetic number, because the mean of its divisors is an integer number (13085415).

Almost surely, 2^345881822 is an apocalyptic number.

345881822 is a deficient number, since it is larger than the sum of its proper divisors (282218098).

345881822 is a wasteful number, since it uses less digits than its factorization.

345881822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349 (or 2336 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 345881822 is about 18597.8983221223. The cubic root of 345881822 is about 701.9549582441.

The spelling of 345881822 in words is "three hundred forty-five million, eight hundred eighty-one thousand, eight hundred twenty-two".