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2233421 = 5633967
BaseRepresentation
bin1000100001010001001101
311012110200022
420201101031
51032432141
6115511525
724661301
oct10412115
94173608
102233421
111296003
128b85a5
13602768
14421d01
152e1b4b
hex22144d

2233421 has 4 divisors (see below), whose sum is σ = 2237952. Its totient is φ = 2228892.

The previous prime is 2233417. The next prime is 2233433. The reversal of 2233421 is 1243322.

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.

It is a cyclic number.

It is not a de Polignac number, because 2233421 - 22 = 2233417 is a prime.

It is a d-powerful number, because it can be written as 27 + 217 + 35 + 36 + 46 + 221 + 1 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2233421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233471) 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, 1421 + ... + 2546.

It is an arithmetic number, because the mean of its divisors is an integer number (559488).

22233421 is an apocalyptic number.

It is an amenable number.

2233421 is a deficient number, since it is larger than the sum of its proper divisors (4531).

2233421 is an equidigital number, since it uses as much as digits as its factorization.

2233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530.

The product of its digits is 288, while the sum is 17.

The square root of 2233421 is about 1494.4634488672. The cubic root of 2233421 is about 130.7144294998.

Adding to 2233421 its reverse (1243322), we get a palindrome (3476743).

Subtracting from 2233421 its reverse (1243322), we obtain a palindrome (990099).

The spelling of 2233421 in words is "two million, two hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 563 3967 2233421