345005122 has 24 divisors (see below), whose sum is σ = 650095488. Its totient is φ = 134416920.

The previous prime is 345005093. The next prime is 345005153. The reversal of 345005122 is 221500543.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 345005093 and 345005102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100138 + ... + 103525.

It is an arithmetic number, because the mean of its divisors is an integer number (27087312).

Almost surely, 2^345005122 is an apocalyptic number.

345005122 is a deficient number, since it is larger than the sum of its proper divisors (305090366).

345005122 is a wasteful number, since it uses less digits than its factorization.

345005122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203694 (or 203683 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 345005122 is about 18574.3135001001. The cubic root of 345005122 is about 701.3613792074.

Adding to 345005122 its reverse (221500543), we get a palindrome (566505665).

The spelling of 345005122 in words is "three hundred forty-five million, five thousand, one hundred twenty-two".