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2201382 = 232122299
BaseRepresentation
bin1000011001011100100110
311010211201200
420121130212
51030421012
6115103330
724466011
oct10313446
94124650
102201382
111273a27
128a1b46
135c0cc1
14414378
152d73dc
hex219726

2201382 has 12 divisors (see below), whose sum is σ = 4769700. Its totient is φ = 733788.

The previous prime is 2201371. The next prime is 2201387. The reversal of 2201382 is 2831022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 122299 = 2201382 / (2 + 2 + 0 + 1 + 3 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61132 + ... + 61167.

It is an arithmetic number, because the mean of its divisors is an integer number (397475).

22201382 is an apocalyptic number.

2201382 is an abundant number, since it is smaller than the sum of its proper divisors (2568318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201382 is a wasteful number, since it uses less digits than its factorization.

2201382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122307 (or 122304 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2201382 is about 1483.7054963840. The cubic root of 2201382 is about 130.0863725812.

The spelling of 2201382 in words is "two million, two hundred one thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 122299 244598 366897 733794 1100691 2201382