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2202001 = 13716073
BaseRepresentation
bin1000011001100110010001
311010212120121
420121212101
51030431001
6115110241
724500554
oct10314621
94125517
102202001
11127443a
128a2381
135c1379
1441469b
152d76a1
hex219991

2202001 has 4 divisors (see below), whose sum is σ = 2218212. Its totient is φ = 2185792.

The previous prime is 2201989. The next prime is 2202007. The reversal of 2202001 is 1002022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 1382976 = 905^2 + 1176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202001 - 29 = 2201489 is a prime.

It is a Duffinian number.

2202001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2202007) 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, 7900 + ... + 8173.

It is an arithmetic number, because the mean of its divisors is an integer number (554553).

22202001 is an apocalyptic number.

It is an amenable number.

2202001 is a deficient number, since it is larger than the sum of its proper divisors (16211).

2202001 is a wasteful number, since it uses less digits than its factorization.

2202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2202001 is about 1483.9140810707. The cubic root of 2202001 is about 130.0985643042.

Adding to 2202001 its reverse (1002022), we get a palindrome (3204023).

The spelling of 2202001 in words is "two million, two hundred two thousand, one".

Divisors: 1 137 16073 2202001