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BaseRepresentation
bin1000011001011101100010
311010211210220
420121131202
51030421232
6115103510
724466125
oct10313542
94124726
102201442
111273a81
128a1b96
135c1039
144143bc
152d742c
hex219762

2201442 has 8 divisors (see below), whose sum is σ = 4402896. Its totient is φ = 733812.

The previous prime is 2201431. The next prime is 2201443. The reversal of 2201442 is 2441022.

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

2201442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2201443) 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, 183448 + ... + 183459.

It is an arithmetic number, because the mean of its divisors is an integer number (550362).

22201442 is an apocalyptic number.

2201442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2201442 is a wasteful number, since it uses less digits than its factorization.

2201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366912.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2201442 is about 1483.7257158923. The cubic root of 2201442 is about 130.0875544315.

Adding to 2201442 its reverse (2441022), we get a palindrome (4642464).

The spelling of 2201442 in words is "two million, two hundred one thousand, four hundred forty-two".

Divisors: 1 2 3 6 366907 733814 1100721 2201442