2239447 has 8 divisors (see below), whose sum is σ = 2612000. Its totient is φ = 1919232.

The previous prime is 2239417. The next prime is 2239453. The reversal of 2239447 is 7449322.

It is not a de Polignac number, because 2239447 - 2⁷ = 2239319 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 (2239417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922 + ... + 3607.

It is an arithmetic number, because the mean of its divisors is an integer number (326500).

2^2239447 is an apocalyptic number.

2239447 is a deficient number, since it is larger than the sum of its proper divisors (372553).

2239447 is an frugal number, since it uses more digits than its factorization.

2239447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550 (or 6536 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 2239447 is about 1496.4781989725. The cubic root of 2239447 is about 130.8318842614.

The spelling of 2239447 in words is "two million, two hundred thirty-nine thousand, four hundred forty-seven".