2234421 has 24 divisors (see below), whose sum is σ = 3818880. Its totient is φ = 1231776.

The previous prime is 2234417. The next prime is 2234431. The reversal of 2234421 is 1244322.

2234421 is a `hidden beast` number, since 223 + 442 + 1 = 666.

It is not a de Polignac number, because 2234421 - 2² = 2234417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2234394 and 2234403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (159120).

2^2234421 is an apocalyptic number.

2234421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2234421 is a deficient number, since it is larger than the sum of its proper divisors (1584459).

2234421 is a wasteful number, since it uses less digits than its factorization.

2234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1262 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2234421 is about 1494.7979796615. The cubic root of 2234421 is about 130.7339354394.

Adding to 2234421 its reverse (1244322), we get a palindrome (3478743).

Subtracting from 2234421 its reverse (1244322), we obtain a palindrome (990099).

It can be divided in two parts, 22 and 34421, that added together give a palindrome (34443).

The spelling of 2234421 in words is "two million, two hundred thirty-four thousand, four hundred twenty-one".