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2221095 = 35148073
BaseRepresentation
bin1000011110010000100111
311011211202210
420132100213
51032033340
6115334503
724610332
oct10362047
94154683
102221095
111287818
128b1433
135c9c76
1441b619
152dd180
hex21e427

2221095 has 8 divisors (see below), whose sum is σ = 3553776. Its totient is φ = 1184576.

The previous prime is 2221069. The next prime is 2221097. The reversal of 2221095 is 5901222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221095 - 26 = 2221031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221097) 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, 74022 + ... + 74051.

It is an arithmetic number, because the mean of its divisors is an integer number (444222).

22221095 is an apocalyptic number.

2221095 is a deficient number, since it is larger than the sum of its proper divisors (1332681).

2221095 is a wasteful number, since it uses less digits than its factorization.

2221095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148081.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2221095 is about 1490.3338552150. Note that the first 3 decimals coincide. The cubic root of 2221095 is about 130.4735196781.

The spelling of 2221095 in words is "two million, two hundred twenty-one thousand, ninety-five".

Divisors: 1 3 5 15 148073 444219 740365 2221095