345511224 has 64 divisors (see below), whose sum is σ = 962388000. Its totient is φ = 114854400.

The previous prime is 345511207. The next prime is 345511237. The reversal of 345511224 is 422115543.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84622 + ... + 88610.

Almost surely, 2^345511224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345511224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481194000).

345511224 is an abundant number, since it is smaller than the sum of its proper divisors (616876776).

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

345511224 is a wasteful number, since it uses less digits than its factorization.

345511224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405 (or 4395 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 345511224 is about 18587.9322142082. The cubic root of 345511224 is about 701.7041634607.

Adding to 345511224 its reverse (422115543), we get a palindrome (767626767).

The spelling of 345511224 in words is "three hundred forty-five million, five hundred eleven thousand, two hundred twenty-four".