2224391 has 8 divisors (see below), whose sum is σ = 2407104. Its totient is φ = 2043360.

The previous prime is 2224379. The next prime is 2224429. The reversal of 2224391 is 1934222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224391 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 (2224891) 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, 4946 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (300888).

2^2224391 is an apocalyptic number.

2224391 is a deficient number, since it is larger than the sum of its proper divisors (182713).

2224391 is a wasteful number, since it uses less digits than its factorization.

2224391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its digits is 864, while the sum is 23.

The square root of 2224391 is about 1491.4392377834. The cubic root of 2224391 is about 130.5380266257.

The spelling of 2224391 in words is "two million, two hundred twenty-four thousand, three hundred ninety-one".