345271022 has 4 divisors (see below), whose sum is σ = 517906536. Its totient is φ = 172635510.

The previous prime is 345270971. The next prime is 345271051. The reversal of 345271022 is 220172543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220172543 = 953 ⋅231031.

It is a junction number, because it is equal to n+sod(n) for n = 345270982 and 345271000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86317754 + ... + 86317757.

It is an arithmetic number, because the mean of its divisors is an integer number (129476634).

Almost surely, 2^345271022 is an apocalyptic number.

345271022 is a deficient number, since it is larger than the sum of its proper divisors (172635514).

345271022 is a wasteful number, since it uses less digits than its factorization.

345271022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172635513.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 345271022 is about 18581.4698557461. The cubic root of 345271022 is about 701.5415157607.

The spelling of 345271022 in words is "three hundred forty-five million, two hundred seventy-one thousand, twenty-two".