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2242273209 = 31189763457
BaseRepresentation
bin1000010110100110…
…0101111110111001
312210021020021120220
42011221211332321
514043010220314
61010255410253
7106365002451
oct20551457671
95707207526
102242273209
11a50783060
12526b23989
13299712aa7
14173b22d61
15d1cbc3a9
hex85a65fb9

2242273209 has 16 divisors (see below), whose sum is σ = 3298138560. Its totient is φ = 1343682560.

The previous prime is 2242273207. The next prime is 2242273213. The reversal of 2242273209 is 9023722422.

It is not a de Polignac number, because 2242273209 - 21 = 2242273207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2242273209.

It is not an unprimeable number, because it can be changed into a prime (2242273207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378792 + ... + 384665.

It is an arithmetic number, because the mean of its divisors is an integer number (206133660).

Almost surely, 22242273209 is an apocalyptic number.

It is an amenable number.

2242273209 is a deficient number, since it is larger than the sum of its proper divisors (1055865351).

2242273209 is a wasteful number, since it uses less digits than its factorization.

2242273209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763560.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 2242273209 is about 47352.6473283173. The cubic root of 2242273209 is about 1308.8689826136.

The spelling of 2242273209 in words is "two billion, two hundred forty-two million, two hundred seventy-three thousand, two hundred nine".

Divisors: 1 3 11 33 89 267 979 2937 763457 2290371 8398027 25194081 67947673 203843019 747424403 2242273209