1345224 has 32 divisors (see below), whose sum is σ = 3510720. Its totient is φ = 428736.

The previous prime is 1345207. The next prime is 1345229. The reversal of 1345224 is 4225431.

It is a super-2 number, since 2×1345224² = 3619255220352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345224.

It is not an unprimeable number, because it can be changed into a prime (1345229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667 + ... + 1770.

It is an arithmetic number, because the mean of its divisors is an integer number (109710).

2^1345224 is an apocalyptic number.

It is an amenable number.

1345224 is an abundant number, since it is smaller than the sum of its proper divisors (2165496).

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

1345224 is a wasteful number, since it uses less digits than its factorization.

1345224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469 (or 2465 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 1345224 is about 1159.8379197112. The cubic root of 1345224 is about 110.3904581125.

The spelling of 1345224 in words is "one million, three hundred forty-five thousand, two hundred twenty-four".