2224451 has 4 divisors (see below), whose sum is σ = 2234232. Its totient is φ = 2214672.

The previous prime is 2224447. The next prime is 2224457. The reversal of 2224451 is 1544222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2224451 - 2² = 2224447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2224457) 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, 4541 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (558558).

2^2224451 is an apocalyptic number.

2224451 is a deficient number, since it is larger than the sum of its proper divisors (9781).

2224451 is an equidigital number, since it uses as much as digits as its factorization.

2224451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780.

The product of its digits is 640, while the sum is 20.

The square root of 2224451 is about 1491.4593524465. The cubic root of 2224451 is about 130.5392003119.

Adding to 2224451 its reverse (1544222), we get a palindrome (3768673).

The spelling of 2224451 in words is "two million, two hundred twenty-four thousand, four hundred fifty-one".