2241421 has 8 divisors (see below), whose sum is σ = 2758784. Its totient is φ = 1773360.

The previous prime is 2241409. The next prime is 2241427. The reversal of 2241421 is 1241422.

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

It is a cyclic number.

It is not a de Polignac number, because 2241421 - 2⁵ = 2241389 is a prime.

2241421 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2241395 and 2241404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241427) 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, 12225 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (344848).

2^2241421 is an apocalyptic number.

It is an amenable number.

2241421 is a deficient number, since it is larger than the sum of its proper divisors (517363).

2241421 is a wasteful number, since it uses less digits than its factorization.

2241421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24651.

The product of its digits is 128, while the sum is 16.

The square root of 2241421 is about 1497.1376022263. The cubic root of 2241421 is about 130.8703143282.

Adding to 2241421 its reverse (1241422), we get a palindrome (3482843).

Subtracting from 2241421 its reverse (1241422), we obtain a palindrome (999999).

It can be divided in two parts, 2241 and 421, that added together give a palindrome (2662).

The spelling of 2241421 in words is "two million, two hundred forty-one thousand, four hundred twenty-one".