1365216224 has 24 divisors (see below), whose sum is σ = 2688931728. Its totient is φ = 682312960.

The previous prime is 1365216199. The next prime is 1365216227. The reversal of 1365216224 is 4226125631.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365216227) 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, 78884 + ... + 94620.

It is an arithmetic number, because the mean of its divisors is an integer number (112038822).

Almost surely, 2^1365216224 is an apocalyptic number.

It is an amenable number.

1365216224 is a deficient number, since it is larger than the sum of its proper divisors (1323715504).

1365216224 is a wasteful number, since it uses less digits than its factorization.

1365216224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18458 (or 18450 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 1365216224 is about 36948.8325120023. The cubic root of 1365216224 is about 1109.3463196648.

The spelling of 1365216224 in words is "one billion, three hundred sixty-five million, two hundred sixteen thousand, two hundred twenty-four".