2244551 has 4 divisors (see below), whose sum is σ = 2250000. Its totient is φ = 2239104.

The previous prime is 2244533. The next prime is 2244553. The reversal of 2244551 is 1554422.

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 2244551 - 2¹⁴ = 2228167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (562500).

2^2244551 is an apocalyptic number.

2244551 is a deficient number, since it is larger than the sum of its proper divisors (5449).

2244551 is an equidigital number, since it uses as much as digits as its factorization.

2244551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448.

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

The square root of 2244551 is about 1498.1825656441. The cubic root of 2244551 is about 130.9312033149.

Adding to 2244551 its reverse (1554422), we get a palindrome (3798973).

The spelling of 2244551 in words is "two million, two hundred forty-four thousand, five hundred fifty-one".