2239551 has 6 divisors (see below), whose sum is σ = 3234920. Its totient is φ = 1493028.

The previous prime is 2239541. The next prime is 2239561. The reversal of 2239551 is 1559322.

2239551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2239541) and next prime (2239561).

It is not a de Polignac number, because 2239551 - 2⁵ = 2239519 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 (2239541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124411 + ... + 124428.

2^2239551 is an apocalyptic number.

2239551 is a deficient number, since it is larger than the sum of its proper divisors (995369).

2239551 is a wasteful number, since it uses less digits than its factorization.

2239551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248845 (or 248842 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2239551 is about 1496.5129468200. The cubic root of 2239551 is about 130.8339095092.

The spelling of 2239551 in words is "two million, two hundred thirty-nine thousand, five hundred fifty-one".