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2274321 = 37108301
BaseRepresentation
bin1000101011010000010001
311021112210010
420223100101
51040234241
6120425133
725221450
oct10532021
94245703
102274321
111313805
129181a9
1361826a
14432b97
152edd16
hex22b411

2274321 has 8 divisors (see below), whose sum is σ = 3465664. Its totient is φ = 1299600.

The previous prime is 2274289. The next prime is 2274329. The reversal of 2274321 is 1234722.

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

It is not a de Polignac number, because 2274321 - 25 = 2274289 is a prime.

It is a super-2 number, since 2×22743212 = 10345072022082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 108301 = 2274321 / (2 + 2 + 7 + 4 + 3 + 2 + 1).

It is a d-powerful number, because it can be written as 2 + 23 + 7 + 4 + 311 + 221 + 1 .

It is a Duffinian number.

2274321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2274329) 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, 54130 + ... + 54171.

It is an arithmetic number, because the mean of its divisors is an integer number (433208).

22274321 is an apocalyptic number.

2274321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2274321 is a deficient number, since it is larger than the sum of its proper divisors (1191343).

2274321 is a wasteful number, since it uses less digits than its factorization.

2274321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108311.

The product of its digits is 672, while the sum is 21.

The square root of 2274321 is about 1508.0852097942. The cubic root of 2274321 is about 131.5075197982.

The spelling of 2274321 in words is "two million, two hundred seventy-four thousand, three hundred twenty-one".

Divisors: 1 3 7 21 108301 324903 758107 2274321