5451224 has 8 divisors (see below), whose sum is σ = 10221060. Its totient is φ = 2725608.

The previous prime is 5451151. The next prime is 5451241. The reversal of 5451224 is 4221545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 5451224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340694 + ... + 340709.

Almost surely, 2^5451224 is an apocalyptic number.

It is an amenable number.

5451224 is a deficient number, since it is larger than the sum of its proper divisors (4769836).

5451224 is a wasteful number, since it uses less digits than its factorization.

5451224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681409 (or 681405 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 5451224 is about 2334.7856432658. The cubic root of 5451224 is about 175.9940597169.

Adding to 5451224 its reverse (4221545), we get a palindrome (9672769).

The spelling of 5451224 in words is "five million, four hundred fifty-one thousand, two hundred twenty-four".