2245447 has 4 divisors (see below), whose sum is σ = 2300256. Its totient is φ = 2190640.

The previous prime is 2245429. The next prime is 2245457. The reversal of 2245447 is 7445422.

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 2245447 - 2⁷ = 2245319 is a prime.

It is a Duffinian number.

2245447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245427) 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, 27343 + ... + 27424.

It is an arithmetic number, because the mean of its divisors is an integer number (575064).

2^2245447 is an apocalyptic number.

2245447 is a deficient number, since it is larger than the sum of its proper divisors (54809).

2245447 is an equidigital number, since it uses as much as digits as its factorization.

2245447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54808.

The product of its digits is 8960, while the sum is 28.

The square root of 2245447 is about 1498.4815647848. The cubic root of 2245447 is about 130.9486230946.

It can be divided in two parts, 224 and 5447, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 2245447 in words is "two million, two hundred forty-five thousand, four hundred forty-seven".