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2224449 = 3382387
BaseRepresentation
bin1000011111000101000001
311012000101000
420133011001
51032140244
6115402213
724623163
oct10370501
94160330
102224449
11128a297
128b3369
135cb656
1441c933
152de169
hex21f141

2224449 has 8 divisors (see below), whose sum is σ = 3295520. Its totient is φ = 1482948.

The previous prime is 2224447. The next prime is 2224457. The reversal of 2224449 is 9444222.

It is not a de Polignac number, because 2224449 - 21 = 2224447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 82387 = 2224449 / (2 + 2 + 2 + 4 + 4 + 4 + 9).

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2224441) 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, 41167 + ... + 41220.

It is an arithmetic number, because the mean of its divisors is an integer number (411940).

22224449 is an apocalyptic number.

It is an amenable number.

2224449 is a deficient number, since it is larger than the sum of its proper divisors (1071071).

2224449 is an equidigital number, since it uses as much as digits as its factorization.

2224449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82396 (or 82390 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 2224449 is about 1491.4586819621. The cubic root of 2224449 is about 130.5391611894.

The spelling of 2224449 in words is "two million, two hundred twenty-four thousand, four hundred forty-nine".

Divisors: 1 3 9 27 82387 247161 741483 2224449