2239481 has 4 divisors (see below), whose sum is σ = 2254464. Its totient is φ = 2224500.

The previous prime is 2239459. The next prime is 2239519. The reversal of 2239481 is 1849322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1849322 = 2 ⋅924661.

It is a cyclic number.

It is not a de Polignac number, because 2239481 - 2⁶ = 2239417 is a prime.

It is a super-2 number, since 2×2239481² = 10030550298722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2233481) 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, 7265 + ... + 7566.

It is an arithmetic number, because the mean of its divisors is an integer number (563616).

2^2239481 is an apocalyptic number.

It is an amenable number.

2239481 is a deficient number, since it is larger than the sum of its proper divisors (14983).

2239481 is a wasteful number, since it uses less digits than its factorization.

2239481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14982.

The product of its digits is 3456, while the sum is 29.

The square root of 2239481 is about 1496.4895589345. The cubic root of 2239481 is about 130.8325463686.

The spelling of 2239481 in words is "two million, two hundred thirty-nine thousand, four hundred eighty-one".