345864224 has 12 divisors (see below), whose sum is σ = 680920254. Its totient is φ = 172932096.

The previous prime is 345864221. The next prime is 345864227. The reversal of 345864224 is 422468543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345864221) and next prime (345864227).

It can be written as a sum of positive squares in only one way, i.e., 269616400 + 76247824 = 16420^2 + 8732^2 .

It is a super-2 number, since 2×345864224² = 239244122886244352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345864221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404097 + ... + 5404160.

Almost surely, 2^345864224 is an apocalyptic number.

It is an amenable number.

345864224 is a deficient number, since it is larger than the sum of its proper divisors (335056030).

345864224 is a wasteful number, since it uses less digits than its factorization.

345864224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10808267 (or 10808259 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 345864224 is about 18597.4251981289. The cubic root of 345864224 is about 701.9430532021.

The spelling of 345864224 in words is "three hundred forty-five million, eight hundred sixty-four thousand, two hundred twenty-four".