345228979922 has 6 divisors (see below), whose sum is σ = 517844716293. Its totient is φ = 172614074492.

The previous prime is 345228979913. The next prime is 345228980017. The reversal of 345228979922 is 229979822543.

It can be written as a sum of positive squares in 2 ways, for example, as 297460069201 + 47768910721 = 545399^2 + 218561^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=415469.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 623204 + ... + 1038672.

Almost surely, 2^345228979922 is an apocalyptic number.

345228979922 is a deficient number, since it is larger than the sum of its proper divisors (172615736371).

345228979922 is an frugal number, since it uses more digits than its factorization.

345228979922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830940 (or 415471 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 62.

The spelling of 345228979922 in words is "three hundred forty-five billion, two hundred twenty-eight million, nine hundred seventy-nine thousand, nine hundred twenty-two".