345222304 has 24 divisors (see below), whose sum is σ = 776750688. Its totient is φ = 147952320.

The previous prime is 345222277. The next prime is 345222307. The reversal of 345222304 is 403222543.

It is not an unprimeable number, because it can be changed into a prime (345222307) 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, 770362 + ... + 770809.

It is an arithmetic number, because the mean of its divisors is an integer number (32364612).

Almost surely, 2^345222304 is an apocalyptic number.

It is an amenable number.

345222304 is an abundant number, since it is smaller than the sum of its proper divisors (431528384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345222304 is a wasteful number, since it uses less digits than its factorization.

345222304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541188 (or 1541180 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 345222304 is about 18580.1588798374. The cubic root of 345222304 is about 701.5085181974.

Adding to 345222304 its reverse (403222543), we get a palindrome (748444847).

The spelling of 345222304 in words is "three hundred forty-five million, two hundred twenty-two thousand, three hundred four".