1158224 has 20 divisors (see below), whose sum is σ = 2261760. Its totient is φ = 574560.

The previous prime is 1158217. The next prime is 1158247. The reversal of 1158224 is 4228511.

It is a self number, because there is not a number n which added to its sum of digits gives 1158224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867 + ... + 3245.

It is an arithmetic number, because the mean of its divisors is an integer number (113088).

2^1158224 is an apocalyptic number.

It is an amenable number.

1158224 is a deficient number, since it is larger than the sum of its proper divisors (1103536).

1158224 is a wasteful number, since it uses less digits than its factorization.

1158224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 572 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1158224 is about 1076.2081583040. The cubic root of 1158224 is about 105.0181072325.

The spelling of 1158224 in words is "one million, one hundred fifty-eight thousand, two hundred twenty-four".